Illustrations Insert

The Fourth of July 1961 on the 6100 block of West Eddy Street, Chicago, Illinois. Ed Cahill and Clarence Miller are kneeling at the center. Kathy Cahill kneels on the lawn, to the left of Ed. Terry Cahill stands on the top porch step, on the far left. Stella Cahill is in the back row, standing between Ed and Clarence. (MPI/GETTY IMAGES)

Dwight Eisenhower and John Kennedy at Kennedy’s inauguration, January 20, 1961. Chief Justice Earl Warren sits directly behind them. (AP PHOTO)

John Kennedy meets in the Oval Office with Curtis LeMay, fourth from the left, and three Air Force pilots who participated in the aerial surveillance of Cuban missile sites, October 30, 1962. (AP PHOTO)

Elizabeth Eckford walks in front of Little Rock High School, Little Rock, Arkansas, on what was supposed to be her first day of school, September 4, 1957. (BETTMANN/GETTY IMAGES)

A young protester is battered by water from fire hoses, Birmingham, Alabama, May 3, 1963. (CHARLES MOORE/GETTY IMAGES)

The front line of the March on Washington for Jobs and Freedom, August 28, 1963. Jackie Robinson is at the center of the line. To the right of Robinson is his wife, Rachel, and Rosa Parks. (STEVE SCHAPIRO/GETTY IMAGES)

Freedom Summer volunteers singing “We Shall Overcome” in Oxford, Ohio, before boarding the buses that will take them to Mississippi, 1964. (TED POLUMBAUM/NEWSEUM COLLECTION)

The Reverend Dr. Martin Luther King Jr., Chicago, Illinois, September 15, 1966. (AP PHOTO)

Malcolm X, New York City, September 7, 1963. (ADGER COWANS/GETTY IMAGES)

Stokely Carmichael, 1966. (FLIP SCHULKE/CORBIS/GETTY IMAGES)

Teenagers run from the police during racial disturbances in the Bedford-Stuyvesant neighborhood of New York City, July 21, 1964. The disturbances began in Harlem the night before. (BETTMANN/GETTY IMAGES)

The culminating march of the Selma voting rights campaign, March 1965. Rev. Ralph Abernathy’s children are in the lead. Rev. Abernathy and his wife, Juanita Jones Abernathy, are behind their children, as are Martin Luther King Jr. and his wife, Coretta Scott King. (PHOTO IN THE PUBLIC DOMAIN, COURTESY OF ABERNATHY FAMILY PHOTOS)

Whites protesting civil rights marchers in the Gage Park neighborhood, Chicago, Illinois, August 15, 1966. (UNDERWOOD ARCHIVES/GETTY IMAGES)

Lyndon Johnson at Cam Ranh Bay Air Force Base, South Vietnam, October 26, 1966. (YOICHI OKAMOTO/PHOTOQUEST/GETTY IMAGES)

Two of the villagers murdered by American soldiers in My Lai, South Vietnam, March 16, 1968. (RONALD HAEBERLE/THE LIFE IMAGES COLLECTION/GETTY IMAGES)

Larry Burrows’s final photo of James Farley after the return flight of Yankee Papa 13, Da Nang, South Vietnam, March 31, 1965. (LARRY BURROWS/THE LIFE PICTURE COLLECTION/GETTY IMAGES)

The remains of American soldiers killed in Vietnam arriving in the United States, February 11, 1965. (BETTMANN/GETTY IMAGES)

The summer solstice celebration in Golden Gate Park, San Francisco, California, June 21, 1967. (THE SAN FRANCISCO CHRONICLE/GETTY IMAGES)

Sheri Finkbine packs for a trip to Sweden to secure the abortion she could not legally obtain in the United States, July 1962. (J.R. EYERMAN/THE LIFE IMAGES COLLECTION/GETTY IMAGES)

Estelle Griswold in front of the Planned Parenthood Center, New Haven, Connecticut, April 1, 1963. (LEE LOCKWOOD/THE LIFE IMAGES COLLECTION/GETTY IMAGES)

Robert Kennedy on the campaign trail, 1968. (DECLAN HAUN/CHICAGO HISTORICAL SOCIETY)

George Wallace campaigning in Glen Burnie, Maryland, July 13, 1968. (AP PHOTO)

A policeman assaults anti-war protests in Chicago’s Grant Park during the Democratic National Convention, August 28, 1968. (PAUL SLADE/PARIS MATCH ARCHIVES/GETTY IMAGES)

Chicago Mayor Richard Daley shouts at Senator Abraham Ribicoff as he denounces the Chicago police assault on anti-war protesters at the Democratic National Convention, August 28, 1968. (BETTMANN/GETTY IMAGES)

Allison Krause in her high school yearbook photo in the spring of 1969, and at an anti-war rally in October of that year. (BETTMANN ARCHIVES/GETTY IMAGES)

Richard Nixon’s television announcement of the Cambodian invasion, April 30, 1970. (BETTMANN/GETTY IMAGES)

Construction workers at New York City’s hard-hat rebellion against anti-war activists, May 8, 1970. (SCOTT MCPARTLAND/GETTY IMAGES)