Lee Alvin DuBridge (21 September 1901 – 23 January 1994) was an American educator and physicist.DuBridge was born in Terre Haute, Indiana, and graduated from Cornell College in 1922, and then began a teaching assignment at the University of Wisconsin–Madison, from which he received an M.A. degree in 1924 and a Ph.D. in 1926. DuBridge continued his academic work at the California Institute of Technology, Washington University and the University of Rochester.