1950s

1959 ASPS President
Louis T. Byars*
  

1959 PSF President
Clarence R. Straatsma*
  

1958 ASPS President
Wallace H. Steffenson*
  

1958 PSF President
Clarence R. Straatsma*
  

1957 ASPS President
S. Milton Dupertius*
  

1957 PSF President
Clarence R. Straatsma*
  

1956 ASPS President
Fredrick A. Figi*
  

1956 PSF President
Clarence R. Straatsma*
  

1955 ASPS President
William G. Hamm*
  

1955 PSF President
Jacques W. Maliniac*
  

1954 ASPS President
William Milton Adams*
  

1954 PSF President
Jacques W. Maliniac*
  

1953 ASPS President
James T. Mills*
  

1953 PSF President
Jacques W. Maliniac*
  

1952 ASPS President
Albert D. Davis*
  

1952 PSF President
Jacques W. Maliniac*
  

1951 ASPS President
Paul W. Greeley*
  

1951 PSF President
Jacques W. Maliniac*
  

1950 ASPS President
Leon E. Sutton*
  

1950 PSF President
Jacques W. Maliniac*
  

*Indicates members who are deceased