Donald Kingsbury
Donald MacDonald Kingsbury (born 12 February 1929 in San Francisco) is an American–Canadian science fiction author. Kingsbury taught mathematics at McGill University, Montreal, from 1956 until his retirement in 1986.
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Wikipedia
Donald MacDonald Kingsbury (born 12 February 1929 in San Francisco) is an American–Canadian science fiction author. Kingsbury taught mathematics at McGill University, Montreal, from 1956 until his retirement in 1986.