Complex sentence: Despite the protection of André Malraux, and after a first failed attempt in July 1944, he committed suicide on March 15,1945; suicide had been a constant temptation throughout his adult life.
Split into simpler sentences: Despite the protection of André Malraux, and after a first failed attempt in July 1944, he committed suicide on March 15,1945. In fact, suicide had been a constant temptation throughout his adult life.