Gwethalyn Graham (January 18, 1913 – November 25, 1965) was a Canadian writer and activist, whose 1944 novel Earth and High Heaven was the first Canadian book to reach number one on the New York Times Best Seller list.[1] Graham won the Governor General's Award for English-language fiction twice, for her first novel Swiss Sonata in 1938,[2] and for Earth and High Heaven in 1944.[1]