EVB2941295: President Lyndon Johnson in an emphatic gesture during a nationally televised press conference. Nov. 17, 1967 / Bridgeman Images

EVB2941296: President Lyndon Johnson posing with Yuki at the LBJ Ranch, near Stonewall, Texas. He is wearing his Texas clothing: beige twill western suit, embossed boots, and cowboy hat. Dec. 29, 1967 / Bridgeman Images

EVB2941298: President Lyndon Johnson on the telephone in the Oval Office, White House. Jan. 10, 1964 / Bridgeman Images

EVB2941521: Viet Cong prisoner of war. A terrified VC prisoner awaiting interrogation unit of special forces A-109 Thuong Duc, 25 kilometers west from Da Nang, Vietnam. Jan. 23, 1967 / Bridgeman Images

EVB2941524: US Marine with Viet Cong POW. A marine guards a Viet Cong as he moves through tall grass toward the collection point during a security operation, Operation Golden Fleece. Quang Ngai Province, April 20-23, 1967 / Bridgeman Images

EVB2941526: South Vietnamese POWS released. Members of the Army of Republic of Vietnam held prisoner by North Vietnam were released in Loc Ninh at the end of the War. c. Jan. 1973 / Bridgeman Images

EVB2941527: Suspected Viet Cong detainee. US Marine captures an elderly Viet Cong suspect during a search and clear operation 15 miles west of Da Nang Air Base. Aug. 3, 1965 / Bridgeman Images

EVB2941529: ARVN Prisoner of War Repatriation. South Vietnamese freed POWs shed their prison uniforms and shout political slogans after their repatriation. March 13, 1973 / Bridgeman Images

EVB2941539: Senator Richard Russell, Dean Rusk, President Lyndon Johnson, and Clark Clifford in a Bipartisan Congressional Leadership meeting on Vietnam. Oct. 14, 1968 / Bridgeman Images

EVB2941548: Bill Moyers naps in a chair on Air Force One. Traveling to a summit meeting on the Vietnam War in Honolulu, President Johnson talks with Robert McNamara and Dean Rusk. Feb. 8, 1966 / Bridgeman Images

EVB2941549: President Lyndon Johnson Speaks with Bill Moyers, his White House Press Secretary. Sept. 8, 1966 / Bridgeman Images

EVB2941551: President Lyndon Johnson and Secretary of State Dean Rusk at a meeting in the Cabinet Room. Jan. 31, 1968 / Bridgeman Images

EVB2941553: President Lyndon Johnson's first grandchild. Sleeping in his mother Luci's arms, Patrick Lyndon Nugent was born on June 21, 1967 at Seton Hospital, in Austin, Texas. June 24, 1967 / Bridgeman Images

EVB2941560: Lady Bird and President Johnson sit outdoors at the Pedernales River on the LBJ Ranch, near Stonewall, Texas. Sept. 30, 1967 / Bridgeman Images

EVB2941562: President Lyndon Johnson and grandson, Lyn Nugent, play with dog Yuki at the LBJ Ranch. August 1968 / Bridgeman Images

EVB2941581: Summit meeting of American Chiefs of State at Punta del Este, Uruguay. April 13, 1967 / Bridgeman Images

EVB2941582: President Lyndon Johnson meets with President Ayub Khan in Karachi, Pakistan. Khan was the second President of Pakistan from 1958 until 1969. Khan adopted a Pro-West foreign policy / Bridgeman Images

EVB2941593: Former President Lyndon Johnson, with longer hair and an unguarded facial expression. Johnson died of a heart attack five months later. LBJ Ranch, Aug. 19, 1972 / Bridgeman Images

EVB2941596: Lyndon Johnson funeral. President Nixon offering condolences to Lady Bird Johnson at LBJ funeral ceremonies inside the Capitol. Jan 24, 1973 / Bridgeman Images

EVB2941598: Lyndon Johnson meeting with civil rights leaders at the White House. In the foreground are LBJ and Martin Luther King, Jr. In the background are Andy Biemiller, Dorothy Height, and A. Philip Randolph. March 18, 1966 / Bridgeman Images

EVB2941606: President Lyndon Johnson met with Civil Rights leaders before the National Cathedral memorial service for Martin Luther King. April 5, 1968 / Bridgeman Images

EVB2941614: 1965 Voting Rights Act. The full title of the law was 'An act to enforce the fifteenth amendment to the Constitution of the United States, and for other purposes.' Aug. 6, 1965 / Bridgeman Images

EVB2941622: President Lyndon Johnson talks with V.P. Nguyen Cao Ky during the Honolulu Conference on the Vietnam War. Feb. 8, 1966 / Bridgeman Images

EVB2941625: Vietnam War. US Army Helicopter in flight viewed from behind the door gunner of a companion helicopter. c. 1965 / Bridgeman Images

EVB2941678: 1963 March on Washington. A. Philip Randolph, veteran Civil Rights and labor leader in front of the statue of Abraham Lincoln. Aug. 28, 1963 / Bridgeman Images

EVB2941697: Vietnam War. Ruins of a US Officers quarters after a Viet Cong bomb attack in Saigon. Four Vietnamese and three Americans were killed, and dozens of Vietnamese buildings were heavily damaged. April 1, 1966 / Bridgeman Images

EVB2941704: Vietnam War. US Marines move through water in Quang Tri Province during Operation Hastings. During the reconnaissance, search and destroy operation against a North Vietnamese forces in the DMZ resulted in US marines deaths of 156 against enemy deaths of an estimated 800. July 1966 / Bridgeman Images

EVB2941705: Vietnam War. A US Marine rifleman leaps across a break in a rice paddy dike during a search and destroy mission of Operation Colorado. Aug. 15, 1966 / Bridgeman Images

EVB2941709: Vietnam War. US Marines set fire to the remains of a building with a flamethrower during a search and destroy mission in Quang Nam Province. March 21-25, 1967 / Bridgeman Images

EVB2941715: Vietnam War. Army medic searches the sky for a Medevac helicopter to evacuate wound soldiers, during search and destroy in the southeastern region of the South Vietnam. June 1967 / Bridgeman Images

EVB2941834: Muhammad Ali, waves from the steps of a TWA airplane at JFK International Airport in New York. 1964 / Bridgeman Images

EVB2941839: Wilt Chamberlain, wearing uniform of Harlem Globetrotters basketball team. 1959 (b/w photo) / Bridgeman Images

EVB2941866: Monticello, the home built by Thomas Jefferson in the 1770s. Northeast bedroom. 1978 / Bridgeman Images

EVB2941869: Monticello, the home built by Thomas Jefferson in the 1770s. Jefferson's study located within a large master bedroom. c. 1930s / Bridgeman Images

EVB2941871: Monticello, the home built by Thomas Jefferson in the 1770s. c. 1905 / Bridgeman Images

EVB2941884: Riverheart High School students doing the Twist. African American and White students dance the Twist together. It was one of the first 1960s dance fads, in which partners were not touching or necessarily coordination their actions. 1962 / Bridgeman Images