1956 – 1966
March 21 – June 20 1954
Tyznik, Anthony
September 21 1959
Godshalk, Clarence E.
January 5 1950
Kammerer, E. Lowell
November 4 1953
December 11 1958
Theurer, George M.
September 28 1959
Piedras, F.
November 9 1953
Legendre, Jacques L.
November 23 1953
November 25 1953
December 7 1953