Complex sentence: Schneider attended the University of Maryland and University of Miami, researching technological hazards in graduate school, spending some of his early career as a freelance photographer, covering the Vietnam War for "Life", "Newsweek" and "Time".
Split into simpler sentences: Schneider attended the University of Maryland and University of Miami, researching technological hazards in graduate school. He entered journalism as a freelance photographer, covering the Vietnam War for "Life", "Newsweek" and "Time".