 Captured, tortured, and sentenced to a concentration camp in Hamburg where he was forced to work in a diving bell at the bottom of the Baltic Sea, Gatti eventually escaped and joined a British Special Air Service special forces team.After the war, he worked as an award-winning journalist for many years until he traveled with Marker, published his first plays, and directed his first film, "Enclosure" ("L'Enclos", 1961).L'Enclos was screened out of competition at the Cannes Film Festival but it was hailed by Truffaut, Resnais, Cocteau and others.