Peter Collier

Peter Collier is the author of Choosing Courage, published by Artisan in 2015; The Rockefellers: An American Dynasty; The Kennedys: An American Drama; and The Roosevelts: An American Saga. He lives in Nevada City, California.

Nick Del Calzo created The Triumphant Spirit, a book of portraits and profiles of Holocaust survivors. He traveled to more than 33 states to photograph these recipients over the course of more than seven years.