John Grigsby Geiger was born in Ithaca, New York, and graduated in history from the University of Alberta. The author of five books of non-fiction, his work has been translated into nine languages. He is Editorial Board Editor at The Globe and Mail, and a Senior Fellow at Massey College, University of Toronto. He is a Governor of the Royal Canadian Geographical Society and Chairman of the Society's Expeditions Committee, a Fellow of the Royal Geographical Society and the Explorers Club, and a Member of the Advisory Board of Wings Worldquest.
Author John Geiger discussed the "angel effect," experiences that occur to people during times of extreme stress when they feel an often unseen presence that guides and calms them.