January 14 1987
Kohout, John
1950s
Stickney, William S.
1960s
March 21 – June 20 1973
March 21 – June 20 1968
June 21 – September 20 1968
September 21 – December 20 1968
December 21 1968 – March 20 1969
March 21 – June 20 1969
June 21 – September 20 1969
September 21 – December 20 1969
December 21 1969 – March 20 1970
March 21 – June 20 1970
June 21 – September 20 1970
September 21 – December 20 1970
December 21 1970 – March 20 1971
March 21 – September 20 1971
September 21 – December 20 1971
December 21 1971 – March 20 1972
March 21 – June 20 1972
January 8 1937
Naser, Evelyn M.
May 10 1938
October 1940
Cudahy, Jean Morton
October 8 1941
July 18 1942
May 27 1941
September 29 1944
November 29 1945
Godshalk, Clarence E.
May 19 1952
Morton, Sterling
March 8 1955
February 24 1956
November 1 1956
April 11 1942
Parmelee, D. S.