Ethel Beatrice Callahan, Columbia 1941

  • Born 19 June 1890, Binghamton NY
  • Died 7 July 1983, Onondaga NY
  • AB Cornell University 1912, MA Wisconsin 1923
  • PhD April 1941, Columbia University
  • Adviser:
  • Dissertation: Some properties of the system of trajectories defined by equations X-bar = Φ(X,Y), Y-bar = Ψ(X,Y)
  • Primary employer: Hardwick College, Oneonta NY; University of Bridgeport, Connecticut