Potter Stewart

Known for his immortal definition of obscenity — "I know it when I see it" — Stewart was a moderate Ohioan who resisted both liberal and conservative extremes.

Associate Justice1958–1981Appointed by EisenhowerJustice #92
Born January 23, 1915 · Jackson, MI
Died December 7, 1985 · Hanover, NH
Buried Arlington National Cemetery, Arlington, VA
College Yale College, 1937
Law Yale Law School, 1941
A year at Cambridge in between

Path to the Supreme Court

He knew what would be on the stone. At the news conference where he announced his retirement in June 1981, Potter Stewart told reporters that the six words he had written about pornography seventeen years earlier would probably wind up on his tombstone, and when the Bar of the Court met in his memory in 1986 its resolution said the same thing more carefully: he had written 'a short concurring opinion in Jacobellis v. Ohio that was reconstructed by the press into an epigram that received such currency that he feared that it might become his epitaph.' The fear was reasonable. The justice who wrote that the Fourth Amendment protects people rather than places, who called the death penalty as then administered a lightning strike and four years later wrote the opinion that brought it back, who told Yale that the press clause was the Constitution's one structural protection for a private business, and who spent twenty-three years at the exact center of two very different Courts, is remembered by most people for a shrug. This chapter is about the rest of him, and about why the shrug was not out of character. He distrusted definitions that outran the facts in front of him, and he said so in the one place a judge is not supposed to.

Potter Stewart was born on January 23, 1915, in Jackson, Michigan, where his parents were vacationing, and grew up in Cincinnati in what a President's tribute would call an atmosphere steeped in the law. His father, James Garfield Stewart, was in the resolution's words 'a fabled orator' who served as mayor of Cincinnati from 1938 to 1947 and then, until his death in 1959, as a justice of the Supreme Court of Ohio; his mother was Harriet Potter Stewart. The son went from Cincinnati's University School to Hotchkiss, where his classmates voted him the class wit, and to Yale, where he graduated cum laude in 1937, was elected to Phi Beta Kappa, and was chairman of the Yale Daily News. He nearly stayed in that trade. 'I had at the time an offer from Henry Luce of fifty dollars a week, then a very princely salary,' he said in 1983, 'so I went off to Cambridge, England, on a fellowship to think it over.' The year at Cambridge on a Henry Fellowship settled it: 'In the end I decided to follow law rather than journalism.' He took his law degree at Yale in 1941, an editor of the Yale Law Journal, and had been at a Wall Street firm less than a year when the war took him into the Navy, where he served more than three years as a deck officer on oil tankers and came home a lieutenant (jg) with three battle stars. On April 24, 1943, he married Mary Ann Bertles; they would have two sons and a daughter.

He went home to Cincinnati in 1947, to the firm of Dinsmore, Shohl, Sawyer and Dinsmore, and into his father's trade of Republican politics: elected to the city council in 1950, reelected in 1952, vice mayor when Dwight Eisenhower nominated him to the Court of Appeals for the Sixth Circuit on April 6, 1954. The Senate confirmed him on April 23, and at thirty-nine he was, as a later President would put it, 'the Nation's youngest Federal judge.' Four years on the circuit were enough. Harold Burton (§84) retired on October 13, 1958, with the Senate out of session, and Eisenhower gave Stewart a recess appointment the next day; he took the oath on October 14, 1958, at forty-three. The formal nomination went to the Senate on January 17, 1959, and the Judiciary Committee did not take it up until April, when the Southern members used the hearing to relitigate Brown v. Board of Education. Pressed by Senator McClellan of Arkansas to say whether he agreed with the decision, the sitting justice declined in terms later nominees would make familiar: 'If I give a simple "yes" or "no" answer to your conscientiously phrased question, therefore, it would not only disqualify my participation in pending cases and heaven only knows how many future cases, but it seems to me it would involve a serious problem of simple judicial ethics.' He was confirmed on May 5, 1959, 70 to 17. Asked by a journalist in those years where he stood between the Court's liberal four and its conservative four, he gave the answer the Solicitor General would repeat at his memorial: 'I like to be thought of as a lawyer.'

On the Supreme Court

The Warren Court found him in its middle from the start, and he dissented from it in the cases that made its name. In Engel v. Vitale (1962) he was alone against the school-prayer decision: 'I cannot see how an "official religion" is established by letting those who want to say a prayer say it.' In Jacobellis v. Ohio (1964), reversing an obscenity conviction for showing a French film, he wrote the paragraph he could not live down. Criminal obscenity laws, he said, reached only hard-core pornography: 'I shall not today attempt further to define the kinds of material I understand to be embraced within that shorthand description; and perhaps I could never succeed in intelligibly doing so. But I know it when I see it, and the motion picture involved in this case is not that.' In Griswold v. Connecticut (1965) he dissented from the right of privacy in a sentence that has outlived the statute: 'I think this is an uncommonly silly law.' The rest of the opinion was the point. 'With all deference, I can find no such general right of privacy in the Bill of Rights, in any other part of the Constitution, or in any case ever before decided by this Court.' Two years later he wrote the privacy opinion that did last. In Katz v. United States (1967) FBI agents had attached a listening device to the outside of a public telephone booth, and the government argued that nothing had been physically entered. 'For the Fourth Amendment protects people, not places,' Stewart wrote for the Court. 'What a person knowingly exposes to the public, even in his own home or office, is not a subject of Fourth Amendment protection.' The booth was a place a man could enter and shut the door; the conversation was his. In Massiah v. United States (1964) he had already held that federal agents could not use a radio transmitter in an accomplice's car to hear an indicted man talk without his lawyer, and in Chimel v. California (1969) he confined the search that goes with an arrest to the arrested man and his immediate reach. He admired the Chief Justice and said so, with a reservation he kept until the end: Earl Warren (§88), 'for whom I have great admiration and great affection, sometimes was guided by what he thought was right or wrong rather than by the law.'

On the Burger Court the center moved and he stayed, which made him look as though he had moved left. In New York Times v. United States (1971), the Pentagon Papers case, his concurrence supplied the sentence the press has quoted since: 'the only effective restraint upon executive policy and power in the areas of national defense and international affairs may lie in an enlightened citizenry.' A year later, in Branzburg v. Hayes (1972), Byron White (§93) wrote for the Court that reporters had no privilege to keep their sources from a grand jury, and Stewart, joined by William Brennan (§90) and Thurgood Marshall (§96), began his dissent with a sentence that has outlasted the holding: 'The Court's crabbed view of the First Amendment reflects a disturbing insensitivity to the critical role of an independent press in our society.' He made the argument whole in a speech at Yale on November 2, 1974, published as 'Or of the Press,' where he read the clause as an institutional guarantee rather than an individual one: its purpose was 'to create a fourth institution outside the Government as an additional check on the three official branches,' and 'the publishing business is, in short, the only organized private business that is given explicit constitutional protection.' In Sierra Club v. Morton (1972) he wrote the standing rule that still governs environmental litigation, that the law 'requires that the party seeking review be himself among the injured.' And in Roe v. Wade (1973) the man who had found no right of privacy in Griswold joined the majority, and explained himself. Griswold, he wrote, 'can be rationally understood only as a holding that the Connecticut statute substantively invaded the "liberty" that is protected by the Due Process Clause of the Fourteenth Amendment'; that being so, 'the Court today is correct in holding that the right asserted by Jane Roe is embraced within the personal liberty protected by the Due Process Clause of the Fourteenth Amendment.' Seven years later, in Harris v. McRae (1980), he wrote for the Court that the right did not carry a subsidy: the Hyde Amendment 'places no governmental obstacle in the path of a woman who chooses to terminate her pregnancy, but rather, by means of unequal subsidization of abortion and other medical services, encourages alternative activity deemed in the public interest.'

He wrote both poles of the modern law of capital punishment. In Furman v. Georgia (1972), the five justices who struck down every death sentence in the country each wrote separately, and Stewart's concurrence was the one that stuck: 'These death sentences are cruel and unusual in the same way that being struck by lightning is cruel and unusual. For, of all the people convicted of rapes and murders in 1967 and 1968, many just as reprehensible as these, the petitioners are among a capriciously selected random handful upon whom the sentence of death has in fact been imposed.' He put race to one side as unproved and concluded that the Eighth and Fourteenth Amendments 'cannot tolerate the infliction of a sentence of death under legal systems that permit this unique penalty to be so wantonly and so freakishly imposed.' The states rewrote their statutes, and in Gregg v. Georgia (1976) Stewart, Lewis Powell (§99), and John Paul Stevens (§101) wrote the joint opinion that upheld the guided-discretion model, holding that 'the punishment of death does not invariably violate the Constitution,' while on the same day, in Woodson v. North Carolina, his plurality struck down the statutes that had answered Furman by making death mandatory. The pair of cases is the law today, and it is Stewart's: not whether, but how. In Fullilove v. Klutznick (1980), dissenting with Rehnquist from the Court's approval of a federal minority set-aside, he opened with the first John Marshall Harlan (§44) in Plessy, 'Our Constitution is color-blind, and neither knows nor tolerates classes among citizens,' and wrote that there was one practice in which government could never engage, not even temporarily and not even as an experiment, and named it.

The Supreme Court Database puts him where the memorial did. Across 3,518 coded votes his liberal share was 50.7 percent against a docket baseline of 57.3, a gap of 6.6 points; he ranks fifteenth of thirty-three on the site's modern scale by both measures, and he dissented in 16.2 percent of cases against colleagues who dissented at 18.2 on the same ones. The one area where he sat above the docket was the First Amendment, 66.5 percent to 63.1; in economic cases he was fifteen points below it, in civil rights eleven. His closest colleague across divided cases was Powell, at 72.6 percent agreement over 959 of them; his furthest was William O. Douglas (§79), at 43.3 percent over 1,579. The drift series gives him one of the program's clearer answers to the question of who moved. Between his first five terms and his last five his own liberal share fell 9.5 points, but the bench around him fell 16.0, so that his gap against his colleagues narrowed from 10.4 points to 3.8, a drift of 6.6 points toward the liberal side that the bootstrap calls real and that ranks fourteenth of twenty-seven. He moved, but the Court moved further and went past him, and the man who had dissented from Warren's Court ended his service nearer its liberal wing than he had begun.

He left at sixty-six. On June 18, 1981, he told his colleagues and the President that he was retiring at the end of the term, and Ronald Reagan accepted the retirement effective July 3. At his news conference the next morning Stewart said it was not important to him that his successor be a woman, only that the successor be a good judge, and offered the test he had used on himself, that a good judge's opinions could be read without any idea whether their author was a man or a woman, a Republican or a Democrat, a Christian or a Jew: 'You just know he or she was a good judge.' On July 7 Reagan announced that he would nominate Sandra Day O'Connor (§102) to the seat. The memorial resolution recorded the reason for going as plainly as he had given it: 'at the end of the Term in 1981 he decided to retire at age 66 to permit him to spend more time with his beloved Andy, their children and grandchildren,' Andy being Mary Ann. He went on sitting by designation on the courts of appeals, the Sixth Circuit among them, and in 1983 Reagan put him on the President's Commission on Organized Crime. In an interview American Heritage published that December he gave the nearest thing he ever offered to a creed: 'It is the judge's primary duty to remove from his judicial work his own political or religious or moral or philosophical or social ideas. But that doesn't mean that I don't have them; it does mean that it's my duty as a judge to remove them from my judicial work.' He suffered a stroke in early December 1985 while visiting family in Vermont and died on December 7, 1985, in a hospital at Hanover, New Hampshire, at seventy. The President's statement that afternoon quoted him once more: 'I never thought of putting a label on myself, except trying to be a good lawyer.' He was buried at Arlington.

When the Court sat in his memory on October 20, 1986, Solicitor General Charles Fried gave the Bar's account of the method: 'He was less interested in pursuing a unified philosophical vision than in determining what the law, as he understood it, required in the case at hand. And his most consistent philosophy was his skepticism about the virtues of apparently consistent philosophies.' He had found himself at the Court's center, Fried said, 'not out of political predilection, but because his habit of mind was to start from a position of equipoise, and from there to assess the competing arguments of the parties before him.' Chief Justice Rehnquist (§100) answered for the Court with the things a colleague knows: that he 'was an avid fan of the Cincinnati Reds baseball team,' that he was 'one of the very few fishermen I have ever known who didn't like to get up early in the morning,' that 'he was a superb craftsman of the written opinion' whose 'opinions were short, lucid, and to the point,' and that for twenty-three years the bench had held 'a judge of keen and penetrating intellect and unwavering devotion, not simply to the exposition of his own ideas, but to the work of the Court as a court.' The resolution offered its own amendment to the epitaph he had dreaded, and it is the right place to leave him: 'He may not have been able to define justice, but he knew it when he dispensed it.'

The Voting Record

How Stewart voted in the 3,518 cases the Supreme Court Database records from the 1958 term through the 1980 term, using that database’s classification of each vote as liberal or conservative. The gold tick on each bar is the rate for the other justices sitting on those same cases.

Liberal votes
50.7%
Contemporaries 57.3% — 6.6 points less liberal
Dissent rate
16.2%
Out of the majority in about 16 of every 100 cases; the rest of the bench, 18
Rank
15th
Most to least liberal since 1946, of the 33 justices with a long enough record to rank
Criminal Procedure49.7%
768 cases · contemporaries 55.2% · 5.5 pts less liberal
Civil Rights52.6%
647 cases · contemporaries 63.7% · 11.1 pts less liberal
First Amendment66.5%
331 cases · contemporaries 63.1% · 3.4 pts more liberal
Due Process57.5%
120 cases · contemporaries 59.8% · 2.3 pts less liberal
Privacy37.8%
37 cases · contemporaries 38.8% · 1.0 pts less liberal
Unions57.1%
168 cases · contemporaries 59.7% · 2.6 pts less liberal
Economic Activity47.1%
601 cases · contemporaries 62.6% · 15.5 pts less liberal
Judicial Power32.6%
479 cases · contemporaries 35.8% · 3.2 pts less liberal
Federalism59.8%
122 cases · contemporaries 64.1% · 4.3 pts less liberal
Federal Taxation67.4%
132 cases · contemporaries 69.8% · 2.4 pts less liberal

Across the whole career Stewart voted with Powell more than with anyone else — the same side of the judgment in 72.6% of their 959 divided cases — and with Douglas least, at 43.3%. See the matrices →Compared against the 14 colleagues Stewart shared at least 300 divided cases with.

And Stewart ended 6.6 points more liberal relative to those colleagues than at the start — the 14th-largest shift of the 27 justices with a long enough record to measure. See who changed →

Source · The Supreme Court Database (Spaeth, Epstein, Nelson, Martin, et al.) · how these figures are made

Key Decisions

Jacobellis v. Ohio

1964

Holding · An Ohio obscenity conviction was reversed; only 'hard-core pornography' may be criminalized.

Role · Stewart concurred: 'I know it when I see it, and the motion picture involved in this case is not that.'

The most famous shrug in the U.S. Reports — candor about definition that doctrine never escaped.

Read the opinion →

Katz v. United States

1967

Holding · Wiretapping a public phone booth is a Fourth Amendment search requiring a warrant.

Role · Stewart wrote the majority.

'The Fourth Amendment protects people, not places' — the foundation of privacy doctrine in the electronic age.

Read the opinion →

Furman v. Georgia

1972

Holding · The death penalty as then administered was unconstitutional, 5–4, in a one-paragraph per curiam with nine opinions.

Role · Stewart concurred on the arbitrariness of its infliction.

'Cruel and unusual in the same way that being struck by lightning is cruel and unusual' — the concurrence that framed the modern death-penalty debate.

Read the opinion →

Gregg v. Georgia

1976

Holding · Guided-discretion capital statutes are constitutional; the death penalty resumed.

Role · Stewart announced the judgment in the joint lead opinion with Powell (§99) and Stevens (§101).

With Furman, Stewart authored both poles of American capital-punishment law.

Read the opinion →

Go Deeper

◆ Best Biography

Potter Stewart is the moderate at the center of the Warren and Burger Courts — the Cincinnati Republican, son of an Ohio judge, whom Eisenhower named in 1958, and who spent twenty-three years as a pragmatic, unideological swing vote resistant to the grand theories of both wings. He is remembered above all for four words: writing on hard-core pornography in Jacobellis v. Ohio, he declined to define it but said, 'I know it when I see it' — perhaps the most famous phrase in the U.S. Reports. His most important opinion, Katz v. United States, remade Fourth Amendment law with the principle that 'the Fourth Amendment protects people, not places,' launching the 'reasonable expectation of privacy' test that governs surveillance to this day. He has no full biography; approach him through the Friedman & Israel chapter, the privacy and obscenity opinions, and the reference literature.

The Bookshelf

Best Place to Start

The fullest short life of a justice who never got a full biography. The Chelsea House chapter draws the moderate clearly: the Yale-educated Cincinnati lawyer and city councilman, the appeals-court judge, and the Supreme Court centrist who distrusted absolutes and decided case by case. It is good on the independence that made him unpredictable — a Republican who joined many Warren Court landmarks and dissented from others — and on the craftsmanship of his opinions. The starting point for a justice defined by his refusal to be defined.

People, Not Places

Stewart's most important opinion, and the foundation of modern surveillance law. Overruling the trespass-based approach of Olmstead (which Brandeis §67 had attacked in dissent), he held that the government's warrantless wiretap of a public phone booth violated the Fourth Amendment because 'the Fourth Amendment protects people, not places' — and Justice Harlan's (§89) concurrence distilled the holding into the 'reasonable expectation of privacy' test that still governs everything from wiretaps to cell-site tracking. The vindication of Brandeis, and the charter of digital-age privacy. Free online.

I Know It When I See It

The most quoted line in Supreme Court history, and a candid confession of the limits of legal definition. Concurring in the reversal of an obscenity conviction over a French art film, Stewart wrote that criminally obscene 'hard-core pornography' may be impossible to define intelligibly, 'But I know it when I see it, and the motion picture involved in this case is not that.' Mocked as subjectivity dressed as law and praised as honesty about the limits of rules, the phrase became shorthand for the whole intractable problem of regulating expression. Free online.

The Capsule Life
The Supreme Court Justices: Illustrated Biographies, 1789–2012
(2013) by Clare Cushman, ed. (Supreme Court Historical Society)

The reliable short account — the Ohio judicial family, the Yale years, the moderate Republican appointment, and the twenty-three years as a centrist swing vote — in a few well-sourced pages with a portrait. Good on the death-penalty role (his 'wanton and freakish' formula in Furman and his part in reviving capital punishment in Gregg) that a phrase-based memory tends to crowd out. The best compact, citable life. CQ Press for the SCHS.

In His Own Words

Stewart's famous Yale address — the argument that the Press Clause is a structural protection for the institutional press, not a redundancy of free speech. The founding text of modern press-clause scholarship, from the justice who also gave us 'I know it when I see it.' Free full text.

The Jurisprudence
“A Lawyer's Lawyer, A Judge's Judge: Justice Potter Stewart and the Fourth Amendment” — University of Cincinnati Law Review 51: 509
(1982) by Jeffrey B. Morris

The leading study of the doctrine Stewart owned — the author of Katz and its 'reasonable expectation of privacy,' assessed by a leading judicial historian. The title phrase is the standard characterization of the justice no one has yet given a biography.

The Reference Entry

The standard modern biographical encyclopedia of the Court: a signed essay on each of the 110 justices from Jay to Alito, alphabetically arranged, by a named scholar or journalist. Length tracks reputation — two pages for Thomas Johnson, three for Woods, eleven for Holmes — which is itself a rough map of who the literature has bothered with. It is not a substitute for a biography, and for the justices who have never had one it is often the most careful short account in print. Borrow it free at the Internet Archive.

The Reference Entry
The Oxford Companion to the Supreme Court of the United States
(2nd ed., 2005) by Hall, Kermit L., et al., eds.

The one-volume reference on the Court: more than a thousand signed entries on cases, doctrines, institutions and the justices, current to 2005. Cases and people share one alphabet, so a citation can be followed without changing volumes, and the biographical entries are short, written by specialists, and better than a longer sketch at carrying the historiography — what the argument about a justice currently is. Borrow it free at the Internet Archive.

The Official Record

The Court's own record of the October 20, 1986 memorial: the Bar's resolution (which has him fearing that 'I know it when I see it' might become his epitaph, and offers an amendment), Solicitor General Charles Fried's account of a judge whose 'most consistent philosophy was his skepticism about the virtues of apparently consistent philosophies,' and Chief Justice Rehnquist's response, with the Reds, the fishing, and 'a superb craftsman of the written opinion.' Free, in the Library of Congress's U.S. Reports set.

In His Own Words

The interview people quote, two years after he left the bench: Stewart on labels, on Warren ('sometimes was guided by what he thought was right or wrong rather than by the law'), on obscenity ('It's a very subjective matter'), and on the judge's duty 'to remove from his judicial work his own political or religious or moral or philosophical or social ideas.' Free at the magazine's site.

The Last Assessment While He Sat

A profile written while he still sat, weeks before the retirement announcement: the brevity, the narrow holdings, the respect for precedent, and the equal-protection record from housing to school desegregation, by a federal district judge. Free at the law school's repository.

The Papers

The papers, at Yale: 280.75 linear feet in 679 boxes, bulk 1958-1980, with the Supreme Court case files, the Sixth Circuit materials, correspondence, subject files and writings. The finding aid, hosted by UMKC's Justice Papers project, is the map; for a justice without a biography it is the principal record of the twenty-three years.

The Reading Path

A researched route through the literature — in order.

  1. 1.
    The Friedman & Israel chapter — for the moderate who refused the grand theories
  2. 2.
    Katz v. United States — for 'people, not places' and the birth of privacy doctrine
  3. 3.
    Jacobellis v. Ohio — for 'I know it when I see it' and the limits of definition
  4. 4.
    The SCHS Illustrated Biographies — for the capsule life and the death-penalty role

Where the Papers Are Kept

Yale University

The Potter Stewart papers are held at Yale, his alma mater — a substantial collection of case files, correspondence, and conference notes that, for a justice without a biography, is the principal record of his twenty-three years and a valuable source on the internal life of the Warren and Burger Courts. Visit →

Ideas for Further Research

  • The phrase and the man. Stewart is remembered for four words about pornography and forgotten for Katz, one of the most important opinions of the century. Ask what it means that a serious justice's legacy collapses into a quip, and use the gap between 'I know it when I see it' and 'the Fourth Amendment protects people, not places' to study how the Court's history is flattened by its most quotable lines.
  • The reasonable expectation of privacy. Katz built Fourth Amendment law on what society is prepared to recognize as a reasonable expectation of privacy — a test that has strained under wiretaps, thermal imaging, GPS, cell-site data, and the cloud. Trace the doctrine from 1967 to Carpenter (2018) and beyond, and ask whether Stewart's people-not-places insight can survive a world of ubiquitous digital surveillance.
  • The virtue of no theory. Stewart prided himself on deciding cases rather than building systems, distrusting the absolutism of Black (§76) and Douglas (§79) alike. Assess the case for the unideological swing justice — the pragmatic center that decides which way the Court tips — and ask whether such a figure is a stabilizing virtue or an evasion of the judge's duty to say what the law is. Seat lineage: Burton §84 → Stewart → Sandra Day O'Connor §102.

Sources

This Seat on the Court