Biography Nobel Prize Winner: Northrop, John Howard. (Rockefeller Institute for Medical Research, Princeton, USA). Awarded the Nobel prize for chemistry in 1946 with Wendell Meredith Stanley for their preparation of enzymes and virus proteins in a pure form
Biography Nobel Prize Winner: Virtanen, Artturi Ilmari. (Helsinki University, Helsinki, Finland). Awarded the Nobel prize for chemistry in 1945 for his research and inventions in agricultural and nutrition chemistry, especially for his fodder preservation method
Biography Nobel Prize Winner: Hahn, Otto. (Kaiser-Wilhelm-Institut (now Max-Planck Institut) f¨r Chemie, Berlin, Germany). Awarded the Nobel prize for chemistry in 1944 for his discovery of the fission of heavy nuclei
Biography Nobel Prize Winner: de Hevesy, George. (Stockholm University, Stockholm, Sweden). Awarded the Nobel prize for chemistry in 1943 for his work on the use of isotopes as tracers in the study of chemical processes
Biography Nobel Prize Winner: Ruzicka, Leopold. (Eidgenössiche Technische Hochschule (Federal Institute of Technology) Zurich, Switzerland). Awarded the Nobel prize for chemistry in 1939 for his work on polymethylenes and higher terpenes
Biography Nobel Prize Winner: Butenandt, Adolf Friedrich Johann. (Berlin University Berlin, Germany and Kaiser-Wilhelm-Institut [now Max-Planck-Institut] f¸r Biochemie Berlin-Dahlem, Germany). Awarded the Nobel prize for chemistry in 1939 for his work on sex hormones
Biography Nobel Prize Winner: Kuhn, Richard. (Heidelberg University, Heidelberg, Germany, and Kaiser-Wilhelm-Institut (now Max-Planck Institut) f¸r medizinische Forschung, Heidelberg, Germany). Awarded the Nobel prize for chemistry in 1938 for his work on carotenoids and vitamins
Biography Nobel Prize Winner: Karrer, Paul. (Zurich University, Zurich, Switzerland). Awarded the Nobel prize for chemistry in 1937 for his investigations on carotenoids, flavins and vitamins A and B2
Biography Nobel Prize Winner: Haworth, Walter Norman. (Birmingham University, Birmingham, Great Britain). Awarded the Nobel prize for chemistry in 1937 for his investigations on carbohydrates and vitamin C
Biography Nobel Prize Winner: Debye, Petrus (Peter) Josephus Wilhelmus. (Berlin University, Berlin, Germany and Kaiser-Wilhelm-Institut (now Max-Planck-Institut) für Physik, Berlin-Dahlem, Germany). Awarded the Nobel prize for chemistry in 1936 for his contributions to our knowledge of molecular structure through his investigations on dipole moments and on the diffraction of X-rays and electrons in gases