IPHC Directors of Investigations and their years of service

William F. Thompson
1923-1940

Biography by J.Richard Dunn

The Tenure of William F. Thompson - University of Washington

Henry A. Dunlop
1940-1963

F. Heward Bell
1963-1970

Bernard E. Skud
1970-1978

Donald A. M^cCaughran
1978-1998

Bruce M. Leaman
1997-