Alvin Ratz Kaufman
Alvin Ratz "A. R." Kaufman (February 11, 1885 – February 1, 1979) was a Canadian industrialist, philanthropist, birth control advocate and eugenicist from Kitchener, Ontario. In 1920 he became president of the Kaufman Rubber Company following the death of his father, Jacob Kaufman, with whom he founded the company in 1908.