EVB2951091: Former President Herbert Hoover, shaking hands with George Westinghouse III, the grandson of George Westinghouse, inventor, in the Hall of Fame at New York University, December 2, 1957 / Bridgeman Images

EVB2951094: President Dwight D. Eisenhower, and Former President Herbert Hoover, at the White House to discuss Hoover Commission recommendations, the White House, Washington DC, May 17, 1957 / Bridgeman Images

EVB2951112: Former President Herbert Hoover (1874-1964), U.S. President 1929-1933, and his norwegian elkhound, September, 1935 / Bridgeman Images

EVB2951157: Ford Presidency. Secretary of State Henry Kissinger and Vice President Nelson Rockefeller, Washington, D.C., 1975 / Bridgeman Images

EVB2951190: US Elections. From left: Minnesota delegates Halvor Langslet and Bennie Brandt call for the re-nomination of Henry Wallace as Vice President at the Democratic National Convention in Chicago, Illinois, July, 1940 / Bridgeman Images

EVB2951208: Henry Ford at 80, on the steps of his winter house on Richmond Hills Plantation Georgia / Bridgeman Images

EVB2951238: Howard Lindsay, 1950s / Bridgeman Images

EVB2938620: Raymond Blaine Fosdick c. 1920 (photo) / Bridgeman Images

EVB2938689: Miss Maxine Elliott, 1905 (poster) / Bridgeman Images

EVB2951373: US Presidents. US President James Garfield / Bridgeman Images

EVB2951391: JAMES IVORY with ISMAIL MERCHANT and RUTH PRAWER JHABVALA during production of JEFFERSON IN PARIS, 1995 / Bridgeman Images

EVB2951394: Boxer Jack Johnson, c. 1910s. / Bridgeman Images

EVB2951478: Kelly Curtis, Tony Curtis, Jamie Lee Curtis, Janet Leigh on location in Argentina, 1961 (photo), Unknown photographer, (20th century) / Bridgeman Images

EVB2951511: Jack Paar (1918-2004), American television host, 1952 / Bridgeman Images

EVB2938731: Andrew Carnegie 1835-1919 Scottish-American industrialist and philanthropist. c. 1905, Harris & Ewing (1905-45) / Bridgeman Images

EVB2938989: President and Michelle Obama attend the Washington Marine Barracks Friday evening parade on July 24 2009. Michelle wears a teal blue linen dress with a silk bow by Jason Wu with a lavender short sleeve cardigan., / Bridgeman Images

EVB2951613: President Jimmy Carter and his family, 1980 (photo), Unknown photographer, (20th century) / Bridgeman Images

EVB2951649: Johann Sebastian Bach (1685-1750), German composer, portrait by Elias Gottlieb Haussmann, c.1746 / Bridgeman Images

EVB2951718: John Glenn, 1966. First American to orbit Earth, 2/20/62, Unknown photographer, (20th century) / Bridgeman Images

EVB2951781: John F. Kennedy, pleads with the American Newspaper and Publishers Association to invoke a self-imposed censorship, 1963 (photo), Unknown photographer, (20th century) / Bridgeman Images

EVB2951853: John F. Kennedy Jr., teenage portrait, 9/76 / Bridgeman Images

EVB2951877: Kennedy family, November 1960, from left: Ethel, Steven Smith, Eunice, Jean, Joseph Sr., Rose, John, Robert, Jacqueline, Patricia, Sergent Shriver, Edward, Joan, Peter Lawford / Bridgeman Images

EVB2939016: Michelle Obama attends a wreath laying ceremony at the Pentagon on the rainy eighth anniversary of the 9/11 terrorist attacks. Sept. 11 2009., / Bridgeman Images

EVB2939043: Obama family official portrait by Annie Leibovitz. Sasha and Malia wears dresses by French children's designer Dino e Lucia. Mrs. Obama wears a dress by Azzedine Alaia.,, Leibovitz, Annie (b.1949) / Bridgeman Images

EVB2939058: President Barack Obama listens during a staff meeting in the Roosevelt Room of the White House. Dec. 22 2010., / Bridgeman Images

EVB2939106: President Barack Obama making his important speech at Cairo University in Cairo calling for a 'new beginning between the United States and Muslims'. June 4 2009., / Bridgeman Images

EVB2939109: President Barack Obama does last-minute edit of a speech at the desk of Personal Secretary Katie Johnson in the Outer Oval Office Oct. 8 2010., / Bridgeman Images

EVB2939115: President Barack Obama holds his handwritten draft of the Nobel Peace Prize speech while working with his speechwriters. Dec. 9 2009., / Bridgeman Images

EVB2939121: President Barack Obama listens to a question from ABC correspondent Jake Tapper during a prime time news conference in the East Room of the White House on July 22 2009., / Bridgeman Images

EVB2939202: On vacation in Martha's Vineyard the President was golfing at the Vineyard Golf Club. Aug.22 2010., / Bridgeman Images

EVB2939205: President Barack Obama practices before throwing out the first pitch with St. Louis Cardinals first baseman Albert Pujols not pictured before the start of the Major League Baseball All-Star Game in St. Louis on July 14 2009., / Bridgeman Images

EVB2939247: Country singer Brad Paisley performs at a celebration of country music hosted by President and Michelle Obama celebrating country music in the East Room on July 21 2009., / Bridgeman Images

EVB2939259: First Lady Michelle Obama claps along with students as they sing during her visit to Burgess-Peterson Academy in Atlanta Georgia Feb. 9 2011., / Bridgeman Images

EVB2939265: Michelle Obama prepares before speaking at the Metropolitan Museum of Art in New York City. Michelle wears a dress and coat of purple wool-silk blend from Isacc Mirahi's Pre-Fall 2009 collection. May 18 2009., / Bridgeman Images

EVB2939289: Michelle Obama accompanied by children from low income communities tours the National Craft Museum in New Delhi India. Michelle wears a skirt by Dries Can Voten and a pin by Alexis Bittar. Nov. 8 2010., / Bridgeman Images

EVB2951913: Sen. Joseph McCarthy, 3/16/55 / Bridgeman Images