EXCLUSIVE: Over the course of his long career, photojournalist Steve Schapiro captured extraordinary images of some of the world's most noteworthy people: Barbra Streisand, Muhammad Ali, David Bowie, MLK, Rosa Parks, RFK, James Baldwin, Robert Redford, Marlon Brando on the set of The Godfather, Robert De Niro on the set of Taxi Driver, Jack Nicholson [...]