folks, let's continue

so...
He was one of the most famous and accomplished portrait photographers of all time.
The image of Churchill brought him international prominence, and is claimed to be the most reproduced photographic portrait in history.

He grew up during the Armenian Genocide where he wrote, "I saw relatives massacred; my sister died of starvation as we were driven from village to village".
His work is in permanent collections of the National Gallery of Canada, New York's Museum of Modern Art and Metropolitan Museum of Art, George Eastman House International Museum of Photography and Film, Bibliotheque nationale de France, the National Portrait Gallery in London, the National Portrait Gallery of Australia and many others.