EVB2943443: Franklin Roosevelt and Navy Secretary, Josephus Daniels, with Navy aviators. 1919. From May 8-27, 1919, in a coordinated Navy operation, they made the first trans-Atlantic flight from New York State to Lisbon, Portugal, in the Curtiss NC flying boat / Bridgeman Images

EVB2943452: Governor Franklin Roosevelt shakes hands with Alfred E. Smith in 1930. They supported each other in the 1920s, but became rivals for the 1932 Democratic Presidential nomination / Bridgeman Images

EVB2943467: Presidents Franklin D. Roosevelt and Hoover riding to FDR inauguration. Mar. 4, 1933. FDR's refusal to endorse Hoover's Interregnum policies embittered Hoover who refused to talk to FDR during the inaugural procession / Bridgeman Images

EVB2943454: Banner for Franklin Roosevelt in Worcester, Massachusetts. April 1932. The large sign spans across two buildings, urging people to vote for FDR in the Democratic primary / Bridgeman Images

EVB2943638: Eleanor Roosevelt at Cold Spring Institute for Gerontology. 1955 / Bridgeman Images

EVB2943701: Steel executives before the Monopoly Committee, Nov. 3, 1939. / Bridgeman Images

EVB2943663: Lee Pressman, CIO Consul endorsed a national health insurance bill. May 11, 1939. The Wagner National Health Act of 1939 was FDR's second push for national health insurance, which failed when opposed by Southern Democrats / Bridgeman Images

EVB2943625: Eleanor Roosevelt greets Camp Fire Girls at the White House. April 15, 1948 / Bridgeman Images

EVB2943681: Traders bidding on commodity futures, Sept. 1939. Minneapolis Grain Exchange Minnesota / Bridgeman Images

EVB2943679: Eleanor Roosevelt presents a trophy to actor Errol Flynn, Jan. 1939. Flynn won the hack class trophy at the Fort Meyer President's Birthday Horse Show / Bridgeman Images

EVB2943687: Bruce Barton in 1930s, possibly when he was in Congress, from 1937 to 1941. He was a pioneering advertising executive and author of popular business books. He created the fictional character Betty Crocker and influenced the public relations of many major American corporations / Bridgeman Images

EVB2943691: William Knudsen, President of General Motors, May 29, 1939 / Bridgeman Images

EVB2943724: Margaret Chase Smith sworn in as Congresswoman, June 6, 1940. She would fill out her dead husband's term and serve in the House until her 1949 election to the Senate / Bridgeman Images

EVB2943959: Goodyear Blimp at a Washington, D.C. area airport, c. 1940. Enterprise (NC-16A) made its first flight on August 23, 1934 and operated between NYC and Washington. It starred in the 1977 Hollywood movie BLACK SUNDAY, Harris & Ewing (1905-45) / Bridgeman Images

EVB2943733: Jacob Spolansky, Detroit Sheriff's Investigator, before HUAC. He testified the 1936 'sit-down' strike at General Motors was conceived by communists. Oct. 18, 1938 / Bridgeman Images

EVB2943998: Sculptor Gutzon Borglum (1871-1941), on a ladder with his model of Mt. Rushmore memorial. 1936 / Bridgeman Images

EVB2943732: J.B. Matthews testifying to the HUAC on Aug. 22, 1938. The ex-communist served as chief investigator for the House Un-American Activities Committee headed by Martin Dies, Jr. in 1938-40. In June 1953, he became research director for Joseph McCarthy's Red Scare investigations in the Senate / Bridgeman Images

EVB2944016: Photographer Charles d'Emery at Mt. Rushmore. He documented the progress of the carving for over a decade, c. 1930s / Bridgeman Images

EVB2944360: American military convoy in the South Atlantic Ocean. A U.S. Vindicator Scout bomber flies anti-submarine patrol over the convoy. Nov. 27, 1941, less than two weeks before the U.S. entered World War 2 / Bridgeman Images

EVB2944369: Launching of the submarine, the USS Robalo, at Manitowoc, Wisconsin, May 9, 1943. She was sunk on her third World War 2 patrol in Palawan Island, Philippines, on July 22, 1944 / Bridgeman Images

EVB2944361: U.S. officer at the periscope of submarine during World War 2. c. 1942 / Bridgeman Images

EVB2944456: American and Filipinos soldiers and sailors surrendering to Japanese forces at Corregidor. World War 2, May 1942 / Bridgeman Images

EVB2944364: Submariner relaying commands to 20mm gun crew in training exercise. Photo taken on bridge of U.S. submarine at New London, Conn. World War 2, August 1943 / Bridgeman Images

EVB2944510: Rotterdam after the entire inner city was bombed by Germans, May 14, 1940. 30,000 civilians were killed when the Dutch defenders refused a German ultimatum to cease defense and surrender during the German World war 2 invasion of Netherlands / Bridgeman Images

EVB2944373: Japanese envoys in Washington talk 'Peace' as their nation attacks Pearl Harbor. Admiral Kichisaboro Normura and Saburo Kurusu leave a meeting with Sec. of State Cordell Hull on Dec. 7, 1941 / Bridgeman Images

EVB2944552: World War 2, Battle of Britain. A woman and eight children share a blanket in a southeast London subway station bomb shell during the Blitz. c. 1940-41 / Bridgeman Images

EVB2944588: German Admiral Erich Raeder visiting the crew of the battle cruiser SCHARNHORST. April 1942, after their escape from Brest through the English Channel / Bridgeman Images

EVB2944403: 'Japs Attack U.S., Hawaii, Philippines bombed by Airmen!' Pearl Harbor attack in the headlines of the New York Enquirer. Times Square, New York City, Dec. 8, 1941 / Bridgeman Images

EVB2944609: Marva Louis, wife of boxer Joe Louis, entertains African American regiments during World War 2. U.S. Naval Training Station, Great Lakes, Illinois, c. 1943. / Bridgeman Images

EVB2948025: President Franklin Roosevelt after his 1936 re-election, with his stamp collection, a favorite hobby. White House, Washington, D.C / Bridgeman Images

EVB2947930: Pres. George W. Bush greets PM Tony Blair at the White House on Sept. 20, 2001. Blair would be in the audience with the First lady, during Bush 43's speech to a Joint Session of Congress that night. Operation Enduring Freedom combat in Afghanistan would start on October 7, 2001 and Britain would provide significant military support and troops / Bridgeman Images

EVB2947960: Schematic diagram of chain reaction from fission of uranium 235. From a U.S. government publication by Henry DeWolf Smyth, c. 1940-45 / Bridgeman Images

EVB2947963: President Bill Clinton plays the saxophone presented to him by Russian President Boris Yeltsin. Yeltsin hosted a private dinner at Novoya Ogarova Dacha, Russia. Jan. 13, 1994 / Bridgeman Images

EVB2947966: President Bill Clinton embraces his wife, Hillary, and daughter, Chelsea. Jan. 20, 1997, after taking the oath of office for his second term / Bridgeman Images

EVB2947981: Vice President Lyndon Johnson, on rostrum of the Senate, in 1961. Johnson hoped to have a significant role coordinating between the White House and the Senate, but found the new Senate leaders were unwilling to share their power / Bridgeman Images

EVB2948005: First nuclear reactor at the University of Chicago achieved the first self-sustaining chain reaction. December 2, 1942. Chicago Pile-1 (CP-1) was built under the direction of physicist Enrico Fermi, in collaboration with Leo Szilard. In 1943 it was dismantled and reassembled at the Palos Park unit of the Argonne National Laboratory. The drawing is by Melvin A. Miller of the Argonne National Laboratory / Bridgeman Images