Ludwig Büchner
German philosopher and scientist (1824–1899)
Friedrich Karl Christian Ludwig Büchner (German: [ˈbyːçnɐ]; 29 March 1824 – 30 April 1899) was a German philosopher, physiologist and physician who became one of the exponents of 19th-century scientific materialism.
From Wikipedia, under CC BY-SA. More on occurri.