EVB2953273: 1971 US Presidency, Nixon Family. US President Richard Nixon escorting daughter Tricia Nixon to the White House Rose Garden, shortly before her marriage to Edward Cox, Washington D.C., June 12, 1971 / Bridgeman Images

EVB2953288: Nixon Presidency. From left: Gerard Smith, US representative to the SALT talks, meets with Secretary of State William P. Rogers, US President Richard Nixon, and National Security Advisor (and future Secretary of State) Henry Kissinger, Washington, D.C., 1972 / Bridgeman Images

EVB2953336: Nixon Presidency. US President Richard Nixon addresses a group of supporters, with protesters at rear of crowd, c.1970s / Bridgeman Images

EVB2953342: Nixon Vice Presidency. Vice President (and future US President) Richard Nixon at a press conference during his campaign for the Republican Presidential nomination, Camden, NJ, 1960 / Bridgeman Images

EVB2953357: Nixon Presidency. US President Richard Nixon with daughter Tricia Nixon and First Lady Patricia Nixon on Nixon's birthday, Washington, D.C., January 9, 1974 / Bridgeman Images

EVB2953363: Nixon Presidency. From left: Administrator of the Federal Energy Office William E. Simon, Secretary of State Henry Kissinger, US President Richard Nixon and Treasury Secretary George Schultz in a planning session at the White House, Washington, D.C., 1974 / Bridgeman Images

EVB2953426: Senator Robert F. Kennedy, Ethel Kennedy, former astronaut John Glenn, at the Plaza Hotel, New York, December 10, 1967. / Bridgeman Images

EVB2953435: Attorney General Robert Kennedy (l) and Senator Edward 'Ted' Kennedy (r) present Eugene Black with position of Chairman of Trustees for the John F. Kennedy Library, Washington, D.C., January 13, 1964 / Bridgeman Images

EVB2953441: Union and Confederate Leaders, / Bridgeman Images

EVB2953465: Ronald Reagan holding Maureen Reagan, 1943 / Bridgeman Images

EVB2953471: Nancy Reagan, Ronald Reagan / Bridgeman Images

EVB2953474: Governor Ronald Reagan, Richard Nixon, Governor George Romney, Senator Charles Percy at a Republican congressional Victory Gala in Washington, 3/2/67 / Bridgeman Images

EVB2953477: Nancy Reagan, Governor Ronald Reagan, Carol Channing, Governor Nelson Rockefeller, Happy Rockefeller / Bridgeman Images

EVB2953510: Ronald Reagan in the 1970s / Bridgeman Images

EVB2953516: Albert Warner, Ginger Rogers, Ronald Reagan at the Lord Tarleton Hotel in Miami for the world premiere of STORM WARNING, 1950 / Bridgeman Images

EVB2953534: Ronald Reagan, 1950 / Bridgeman Images

EVB2953537: RONALD REAGAN, with son Ronald Prescott, c. 1960 / Bridgeman Images

EVB2953564: Roy Rogers (right), and his wife Dale Evans, c.1953 / Bridgeman Images

EVB2953567: Dale Evans (1912-2001), American actress and singer, c.1946 / Bridgeman Images

EVB2953573: Edgar Bergen (back), with Charlie McCarthy, and Dale Evans (right), c.1943 / Bridgeman Images

EVB2953576: Robert Falcon Scott (center, holding pipe) with the Scott Antarctic exploring party, 1912 / Bridgeman Images

EVB2953603: Russell Means, and Clyde Bellecourt, of AIM (American Indian Movement), after being arraigned in Federal Court for AIM's occupation of Wounded Knee. April 16, 1973 / Bridgeman Images

EVB2953621: Sarah Bernhardt (1844-1923), undated portrait / Bridgeman Images

EVB2953373: Nixon Presidency. From left: former New York Giants outfielder Bobby Thompson, Claire Hodgson Ruth (wife of Babe Ruth), US President Richard Nixon, former Brooklyn Dodgers pitcher Ralph Branca, c.early 1970s / Bridgeman Images

EVB2953388: Richard Speck murdered 8 nurses in Chicago, July 13, 1966 / Bridgeman Images

EVB2953403: Roy Cohn shows 'doctored' photo at hearing, April 27, 1954 / Bridgeman Images

EVB2953454: American actor Robert Mitchum and his son, Jim Mitchum, discussing 'Bowl Down Cancer Week', a week long bowling and cancer educational campaign, 1962. / Bridgeman Images

EVB2953466: Nancy Reagan, Ronald Reagan at the governor's mansion in Sacramento, California, 5/3/67 / Bridgeman Images

EVB2953469: Ronald Reagan at a Chicago press conference, 5/13/75 / Bridgeman Images

EVB2953472: California gubenatorial candidate Ronald Reagan visiting former President Dwight Eisenhower in Gettysburg, Pennsylvania, 6/15/66 / Bridgeman Images

EVB2953496: Merv Griffin interviews Nancy Reagan, Governor Ronald Reagan on MERV GRIFFIN SHOW in the 1970s / Bridgeman Images

EVB2953505: Governor Ronald Reagan with Frank Sinatra, Vicki Carr, Nancy Reagan, Dean Martin, John Wayne at the governor's inagural gala in Sacramento, 1/4/70 / Bridgeman Images

EVB2953511: Nancy Reagan, Ronald Reagan at a press conference where he annouced his intention to run for governor of California, 1/4/66 / Bridgeman Images

EVB2953523: Ronald Reagan on horseback / Bridgeman Images

EVB2953550: US Presidents. Republican party nominee and California Governor (and future US President) Ronald Reagan, former US President Gerald Ford and Vice Presidential nominee (and future US President) George H.W. Bush at the Republican National Convention, Detroit, Michigan, July, 1980 / Bridgeman Images

EVB2953556: Ronald Reagan. California Governor (and future US President) Ronald Reagan at the Republican National Convention in Miami, Florida, August, 1968 / Bridgeman Images