Joan Langdon
Joan Marjorie Langdon, also known by her married name Joan McLagan, is a Canadian female former competition swimmer and breaststroker who competed in the 1936 Summer Olympics in Berlin, Germany. At the age of 13, she competed in the first round of the 200-metre breaststroke, but did not advance.
At the 1938 British Empire Games in Sydney, she won the bronze medal in the 220-yard breaststroke competition.
