Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Emil Gabriel Warburg (9 March 1846 Altona - 28 July 1931 Bayreuth) was a German Jewish 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 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