Question: David J. Lockwood serves as Secretary-Treasurer of which Canadian professional society founded in 1945?
Sentence (from "Canadian Association of Physicists"): The Canadian Association of Physicists (CAP), or in French Association canadienne des physiciens et physiciennes (ACP) is a Canadian professional society that focuses on creating awareness amongst Canadians and Canadian legislators of physics issues, sponsoring physics related events, physics outreach, and publishes Physics in Canada.
Relevant evidence: Yes