In 1947, he joined the staff of Life, photographing people such as Elvis Presley, Lucille Ball, Noël Coward, Ernest Hemingway, and Liberace. He also shot pictures of royal weddings, popes, fashion shows, riots, and wars.
In 1956, while sailing to Paris to take a job in the magazine's bureau there, Dean photographed the sinking and the rescue of passengers from the ocean liner SS AndreaDoria.
In 1965, out of 400 contestants, Dean won the Papal Prize in the Vatican's Ecumenical Council Photographic Exhibition.
After Life magazine folded in 1972, he worked freelance for movie studios and news magazines. He also was an accomplished sailor and a collector of cameras. At any given time, he rarely had fewer than three cameras around his neck.
Dean died in 2005 at the age of 88.
These photographs of Sophia Loren in Rome are part of his work that he shot in 1957.