 He served as an honorary trustee of the Eastman House until his death.Throughout his career, Newhall taught the history of photography and photography at institutions including the University of Rochester, Rochester Institute of Technology, State University of New York at Buffalo and at the Salzburg Seminar in American Studies in Austria.In his late career after retiring from the George Eastman Museum he was appointed professor at the University of New Mexico in 1972 and named Professor Emeritus in 1984.