John O’Brian is an art historian, writer, and curator. Until 2017, he taught at the University of British Columbia. He has authored or edited twenty books, including Clement Greenberg: The Collected Essays and Criticism – one of The New York Times Notable Books of the Year – and Ruthless Hedonism. His publications on nuclear photography include Strangelove’s Weegee, Camera Atomica, Through Post-Atomic Eyes, and Atomic Postcards: Radioactive Messages from the Cold War. He has organized five exhibitions on nuclear photography, in Copenhagen, London, Toronto, and Vancouver, and is a recipient of the Thakore Award in Human Rights and Peace Studies from Simon Fraser University.