SZT2998491: Hans Leibelt and Jutta Freybe in 'What to do Sibylle', 1938 (b/w photo) / Bridgeman Images

SZT2998495: Hans Leibelt in 'Casanova marries', 1939 (b/w photo) / Bridgeman Images

SZT2998499: Rosa Luxemburg / Bridgeman Images

SZT2998502: Auerbach's basement in Leipzig, 1930 (b/w photo) / Bridgeman Images

SZT2998510: Ulysses Grant and Robert Lee near Appomatox, 1865 (engraving), Unknown Artist, (19th century) / Bridgeman Images

SZT2998525: Willy Fritsch in 'Burglars', 1930 (b/w photo) / Bridgeman Images

SZT2998533: Performance of 'William Tell' at the State Theatre in Berlin, 1923 (b/w photo) / Bridgeman Images

SZT2998534: Prince Peter Swiatopolk-Miski and Grand Duke Michael Alexandrovich in Vilna, 1904 (b/w photo) / Bridgeman Images

SZT2998542: Kaiser Wilhelm II. and Nicholas Christopher von Lynk, Josias von Heeringen and Count Moltke (b/w photo) / Bridgeman Images

SZT2998551: William Gladstone, 1896 (b/w photo) / Bridgeman Images

SZT2998557: Stanley Baldwin and Major Burnaby during a hunt, 1929 (b/w photo) / Bridgeman Images

SZT2998559: Friedrich Bergius, 1931 (b/w photo) / Bridgeman Images

SZT2998560: Johann Strauss II (1825-99) and Johannes Brahms (1833-97) in Bad Ischl, 1894 (b/w photo) / Bridgeman Images

SZT2998566: Cecile of Prussia visits Count Felix von Luckner, 1922 (b/w photo) / Bridgeman Images

SZT2998578: Alexis Carrel, 1931 (b/w photo) / Bridgeman Images

SZT2998587: Otto Lilienthal, 1896 (b/w photo) / Bridgeman Images

SZT2998591: German-Russians fleeing from the Red Army (b/w photo) / Bridgeman Images

SZT2998596: Charles Nicolle (b/w photo) / Bridgeman Images

SZT2998598: Frederick Banting, 1927 (b/w photo) / Bridgeman Images

SZT2998608: German infantry on patrol, 1945 (b/w photo) / Bridgeman Images

SZT2998618: Young soldier during the excavation of a tank hole, 1945 (b/w photo) / Bridgeman Images

SZT2998633: Operation in a hospital on the Channel coast, 1940 (b/w photo) / Bridgeman Images

SZT2998635: Relief over the portal of grace of the Bamberg Cathedral, 1935 (b/w photo) / Bridgeman Images

SZT2998639: Family in a Pittsburgh slum during the Great Depression (b/w photo) / Bridgeman Images

SZT2998646: Junkers Ju 88, 1942 (b/w photo) / Bridgeman Images

SZT2998651: Winston Churchill observes in an armored car the war events, 1944 (b/w photo) / Bridgeman Images

SZT2998657: Shot-down American tank 'Jackson' on the Western Front, 1944 (b/w photo) / Bridgeman Images

SZT2998663: Broken allied ammunition vehicles on the Western Front, 1944 (b/w photo) / Bridgeman Images

SZT2998664: German patrol on the Western Front, 1944 (b/w photo) / Bridgeman Images

SZT2998667: German assault gun on a street on the Western Front, 1944 (b/w photo) / Bridgeman Images

SZT2998675: Herbert Clark Hoover and Marie Curie in Washington, 1929 (b/w photo) / Bridgeman Images

SZT2998676: Louis Viktor de Broglie, 1942 (b/w photo) / Bridgeman Images

SZT2998677: William Henry Bragg at the microscope, 1936 (b/w photo) / Bridgeman Images

SZT2998686: Emil von Behring in his study, 1914 (b/w photo) / Bridgeman Images

SZT2998691: Nobel Prize in Medicine for Emil von Behring, 1901 (b/w photo) / Bridgeman Images

SZT2998697: Leni Riefenstahl, 1935 (b/w photo) / Bridgeman Images