George_K._Fraenkel
George K. Fraenkel
American chemist
George K. Fraenkel (July 27, 1921 – June 10, 2009) was an American physical chemist, dean of Graduate School of Arts and Sciences and chairman of the chemistry department at Columbia University. [1][2][3] Fraenkel was noted for his research of electron spin resonance.[1] He also pioneered in the use of electronic techniques to study structures of molecules.[1]