EVB2937592: Luis W. Alvarez (1911-1988), American physicist awarded the Nobel Prize for Physics in 1968 for the discovery of many subatomic particles. Working with his son, geologist Walter Alvarez, he applied nuclear physics to help develop the theory that an asteroid strike led to the extinction of dinosaurs. c. 1960 / Bridgeman Images
EVB2937638: Electrical outlets in an American home during World War II. The photo was released with the following conservation instructions: 'How to add years to the life of your electric cords: remove them gently but firmly from wall sockets. Don't pull or tug. When not in use, coil cord loosely around a hook.' 1943 / Bridgeman Images
EVB2932029: 1912 Cartoon "Sitting up with a sick friend," commenting on the Republican Party split, in which "progressive" Theodore Roosevelt challenges incumbent Taft for the party's nomination. G.O.P. elephant, holding fan "hope" in its trunk, seated beside William Howard Taft, who is sick in bed. Bottle labeled "progressivism tonic" on table / Bridgeman Images
EVB2932137: First Lady, Mrs. William Taft (1861-1943) in a 1910 portrait, taken after her recovery from a stroke in the previous year. With her regained health she resumed her public life which included her role in having the famous Japanese cherry trees, planted around the Tidal Basin / Bridgeman Images
EVB2925770: Gunder Hagg, Swedish runner with seven world records, arrived at LaGuardia Airport. June 6, 1943. He traveled from neutral Sweden to compete in U.S. track meets. Two years later, Hagg ran a mile in 4:01.4 seconds in Malmo, Sweden in 1945. The record held until broken by Roger Bannister in Oxford in 1954 / Bridgeman Images