Emil Gabriel Warburg

http://en.wikipedia.org/wiki/Emil_Warburg

Emil Gabriel Warburg (9 March 1846 – 28 July 1931) was a German physicist who during his career was professor of physics at the Universities of Strassburg, Freiburg and Berlin. He was president of the Deutsche Physikalische Gesellschaft 1899-1905. He was a friend of Albert Einstein.

Among his students were James Franck (Nobel prize for physics 1925), Eduard Grüneisen, Robert Pohl, Erich Regener and Hans von Euler-Chelpin (Nobel prize for chemistry 1929). He was a member of the Warburg family. He carried out research in the areas of kinetic theory of gases, electrical conductivity, gas discharges, heat radiation, ferromagnetism and photochemistry.

He was the father of Otto Heinrich Warburg.