Directors -- 1948 to 1998

1948 - 1950 -- William Leibowitz, Assistant Librarian (in charge)
1948 - 1965 -- Louis A. Schreiber, Assitant Librarian (in charge), 1950-1953
Director of Administrative Services, 1953-1965
1955 -- Ludwig Lewisohn, Librarian, (died December, 1955)
1956 - 1959 -- Marvin Lowenthal, Director of Special Services
1963 - 1967 -- Louis Kronenberger, Librarian
1965 - 1967 -- Harry Tarlin, Acting Director of Administration Services
1967 - 1969 -- Ronald V. Glens, Director of Administrative Services, July 1969 - Feb. 1970
July 1969 - Feb. 1970 -- Norbert Bernstein, Acting Director of Administrative Services, March 1970 - June 1980
March 1970 - June 1980 -- D. Roy Watkins, Director of Libraries, 1970-1975
University Librarian, 1976-1980
July 1980 - Jan. 1981 -- Rupert Gilroy, Acting University Librarian
Feb. 1981 - [2002] -- Bessie K. Hahn, Director of Library Services, 1981-1996
Assistant Provost for Libraries and University Librarian, 1996 to the Present