1970s

1979 ASPS President
Verner V. Lindgren*
  

1979 PSF President
George W. Hoffman*
  

1978 ASPS President
Peter Randall
Gwynedd, Pa.

1978 PSF President
Robert Pool
Traverse City, Mich.

1977 ASPS President
Rexford A. Peterson
Phoenix, Ariz.

1977 PSF President
H. Bruce Williams
Montreal, QC

1976 ASPS President
Frederick J. McCoy*
  

1976 PSF President
Lester M. Cramer
Colorado Springs, Colo.

1975 ASPS President
Ross H. Musgrave
Verona, Pa.

1975 PSF President
William C. Grabb*
  

1974 ASPS President
James H. Hendrix*
  

1974 PSF President
James W. Smith*
  

1973 ASPS President
Michael M. Gurdin*
  

1973 PSF President
Peter Randall
Gwynedd, Pa.

1972 ASPS President
George F. Crikelair*
  

1972 PSF President
D. Ralph Millard*
  

1971 ASPS President
Stephan R. Lewis*
  

1971 PSF President
D. Ralph Millard*
  

1970 ASPS President
Paul Pickering*
  

1970 PSF President
Charles E. Horton*
  

*Indicates members who are deceased