EVB2923364: Invitation to the Inauguration of Lyndon Baines Johnson as President and Hubert Horatio Humphrey as Vice President. Jan. 20, 1965 / Bridgeman Images

EVB2923370: The 'LBJ ladies' at the 1964 / Bridgeman Images

EVB2923391: Congressman Lyndon Johnson visiting fighting commanders at an air base in New Guinea Island during World War II. Brig. Gen. Martin Scanlon shakes hands with Lt. Comdr. Lyndon Johnson. At far left is right is Brig. Gen. Ralph Royce and at right is Brig. Gen. William F. Marguat. July 1, 1942 / Bridgeman Images

EVB2923427: Robert Kennedy, one of several children of 'Distinguished Foreigners', laying commemorative stones at Clubland, a new youth center in London. Apr. 14, 1939 / Bridgeman Images

EVB2923436: Profile portrait of Robert Kennedy. April 29, 1968 / Bridgeman Images

EVB2923168: President Richard Nixon spoke to a rally of about 15,000 persons at the Tulsa international Airport, Nov. 3, 1972 / Bridgeman Images

EVB2923192: President Richard Nixon at his Oval Office desk on his first day as President. Jan. 21, 1969 / Bridgeman Images

EVB2923195: President Richard Nixon vetoing a .7 billion health and education bill, Jan. 26, 1970 / Bridgeman Images

EVB2923164: Republican Convention delegates wait to shake the hand of President Richard Nixon after his acceptance speech. Aug. 23, 1972 / Bridgeman Images

EVB2923176: President-elect Richard Nixon presented his first Cabinet, via television on Dec. 11, 1968 / Bridgeman Images

EVB2923249: GOP Presidential candidate Dwight Eisenhower (right) listens as his running mate Sen. Richard Nixon, Sept. 1952 / Bridgeman Images

EVB2923267: Vice President Richard Nixon, visiting with his ailing father, Frank, and his mother, Hannah, in 1954 / Bridgeman Images

EVB2923200: President Richard Nixon listens to an animated John Connally, Treasury Secy, as he embarks on his historic trip to China, Feb. 17, 1972 / Bridgeman Images

EVB2923218: President Richard Nixon and Ferdinand Marcos during motorcade to Malacanang Palace in Manila, July 26, 1969 / Bridgeman Images

EVB2923221: President Richard Nixon and President Nicolae Ceausescu ride through Bucharest, Romania, August 2, 1969 / Bridgeman Images

EVB2923224: President Richard Nixon jubilantly acknowledges the cheers of apartment house dwellers as his motorcade proceeds through Bucharest. August 2, 1969 / Bridgeman Images

EVB2923242: Richard Nixon with his dog King Timahoe, Feb. 3, 1969 (b/w photo) / Bridgeman Images

EVB2923384: President Lyndon Johnson meeting with Gen. William Westmoreland and Defense Secretary Robert McNamara. They agreed that additional troops would be sent to Vietnam. Aug. 26, 1967 / Bridgeman Images

EVB2923284: Hannah Milhaus at the age of 10. The mother of President Richard Nixon grew up in a Quaker family. 1905 / Bridgeman Images

EVB2923317: President Lyndon Johnson with Arthur Goldberg. They announced that Goldberg would leave the Supreme Court to become Ambassador to the United Nations, July 20, 1965 / Bridgeman Images

EVB2923371: Lady Bird Johnson smiles as the wind disrupts her hairdo. She was visiting the Statue of Liberty to dedicate the American Museum of Immigration. May 17,1968 / Bridgeman Images

EVB2923441: Joseph P. Kennedy funeral. Rose Kennedy leaving St. Francis Xavier Church in Hyannis following private funeral service for her husband, Joseph P. Kennedy. She is escorted by her son, Senator Edward Kennedy. Nov. 20, 1969 / Bridgeman Images

EVB2923431: Sen. Robert Kennedy talking with reporters on this 42nd birthday. Nov. 20, 1967 / Bridgeman Images

EVB2923453: Nomadic tents can be seen in a mountainous area outside of Kabul, Afghanistan. Sept. 17, 1971 / Bridgeman Images

EVB2923466: Einstein's Four Equations, 1947 (print) / Bridgeman Images

EVB2923510: Social Security files. 5,000 filing cabinets will be used to keep the records of the Social Security Administration. Nov. 27, 1936 / Bridgeman Images

EVB2923490: Several doctors and nurses restrain young Ernest Booth. Booth was one of 30,000 children receiving gamma globulin inoculations during polio epidemic in Houston, Texas. June 30, 1953 / Bridgeman Images

EVB2923529: Oil platform operating in the Gulf of Mexico west of Punta Gorda, Florida. Jan. 9, 1968 / Bridgeman Images

EVB2923561: Derelict apartment buildings in New York's Harlem. Even with the post-war housing shortage, many apartment buildings were abandoned and burned out. In some cases people still lived in units in these buildings. July 18, 1946 / Bridgeman Images

EVB2923564: Harlem's famous thoroughfare, 125th street in 1943 / Bridgeman Images

EVB2923556: The African American teenagers with tuxedos and top hats during the August 1943 riots in Harlem / Bridgeman Images

EVB2923678: Dramatic checked dress and cape. Dress has double rows of large buttons to which is attached a long rectangular cape of the same fabric. The cape buttons to the top two buttons on the bodice and is thrown back over the shoulders and upper arms. Fall 1964 / Bridgeman Images

EVB2923616: Two women polio victims using chest respirators that free them from the iron lung. Both were stricken in 1953. July 16, 1955 / Bridgeman Images

EVB2923705: Emilio Pucci ensemble influenced by his futuristic stewardess designs for Braniff International Airways. July 1967 / Bridgeman Images

EVB2923619: The Migratory and Itinerant Workers Union, the Hobos of America, held their annual convention in Altoona, Pa. J.E. Holtzinger, of the Altoona Chamber of Commerce, greeting General Coxey(right), as Jeff Davis, Emperor of the Hobos (center), looks on. April 15, 1938 / Bridgeman Images

EVB2923720: Senator-elect Robert Kennedy and wife Ethel with seven of their eight children / Bridgeman Images