Alois Alzheimer was a German psychiatrist who discovered the pathological condition of dementia and diagnosed the disease that bears his name.
1864-1915
1850-1918
W.E.B. Du Bois was one of the most important African-American activists during the first half of the 20th century. He co-founded the NAACP and supported Pan-Africanism.
1868-1963
1885-1952
1886-1954
German philosopher and revolutionary socialist Karl Marx published The Communist Manifesto and Das Kapital, anticapitalist works that form the basis of Marxism.
1818-1883
Ornithologist Ernst Mayr demonstrated that the development of separate species in higher animals depends on the geographical isolation of precursor populations.
1904-2005
Silent film director F.W. Murnau created the first major vampire film with 1924's Nosferatu, based on the novel Dracula by Bram Stroker.
1888-1931
A student of such famed physicists as Albert Einstein and Max Planck, Leo Szilard was key in getting the United States to work on the atomic bomb.
1898-1964
Max Weber was a 19th century German sociologist and one of the founders of modern sociology. He wrote The Protestant Ethic and the Spirit of Capitalism in 1905.
1864-1920