Eve Arnold began photographing Marilyn Monroe after the actress saw her pictures of Marlene Dietrich in Esquire. They met at a party and Monroe posited: “If you could do that well with Marlene, can you imagine what you can do with me?” So began their professional relationship, which, other the years, turned into a mutually respectful friendship. Arnold photographed Monroe six times during the decade she knew her, the shortest session was two hours and the longest was two months, when she saw…