Honoured guests at the unveiling of the historic plaque marking the location of Ontario’s first observatory: Dr. John Downie, Dean of the Department of Applied Sciences of Queen’s University; Dr. A. Vibert Douglas, Founder and Honorary President of the Kingston Centre and Past President (1943–1944) of the R.A.S.C.; and Professor Victor Hughes of the Department of Physics of Queen’s University. Photo by Leo Enright.

A.V. Douglas and David Levy at a Kingston Centre meeting at Queen's University, circa 1978. Photo by Leo Enright.