User:Chapmandave

Chapmandave is David M F. Chapman, an English-speaking user from Canad. I am a retired scientist interested in astronomy, physics, acoustics, music, photography, camping, and travel. I have an M.Sc. in Physics (University of British Columbia, 1977) and I am a Life Member of the Royal Astronomical Society of Canada and a Fellow of the Acoustical Society of America.