Franz Leopold Neumann, German lawyer and theorist (d. 1954)
Franz Leopold Neumann (23 May 1900 – 2 September 1954) was a German political activist, Western Marxist theorist and labor lawyer, who became a political scientist in exile and is best known for his theoretical analyses of National Socialism. He studied in Germany and the United Kingdom, and spent the last phase of his career in the United States, where he worked for the Office of Strategic Services from 1943 to 1945. During the Second World War, Neumann spied for the Soviet Union under the code-name "Ruff". Together with Ernst Fraenkel and Arnold Bergstraesser, Neumann is considered to be among the founders of modern political science in the Federal Republic of Germany.