The Oppenheimer Alternative

The Oppenheimer Alternative is a 2020 science fiction alternate history novel by Canadian writer Robert J. Sawyer. It was first published in June 2020 in Canada by Red Deer Press, and in the United States by CAEZIK SF & Fantasy, 75 years after the atomic bombings of Hiroshima and Nagasaki in 1945. The novel was nominated for The Canadian Science Fiction and Fantasy Association's 2021 Aurora Award for Best Novel.