Images in A Century of Variable Star Observing: 1911-2010
January 2011: AAVSO leaders
Clockwise from top center:
Founder William Tyler Olcott, 1911-1936
First Recorder Leon Campbell, 1936-1949
Recorder, then First Director Margaret W. Mayall, 1949-1973
Director Janet A. Mattei, 1973-September 2003
Interim Director Elizabeth O. Waagen, September 2003-February 2005
Director Arne A. Henden, March 2005 to date