His name is: Jim Murray. He was a very well-connected guy, both a photographer and a journalist. Here he is in 1957 interviewing then Senator Kennedy.
Jim Murray is described in two ways: as being a free lance photographer and more often as working for the Black Star Photo Service. Now, why is that? Obviously, if he was working for the Black Star Photo Service, he wasn't free lance. Here is the definition of free lance photographer from Urban Dictionary: