How Did Pancho González Die?

Ricardo Alonso "Pancho" González, known sometimes as Richard Gonzales, was an American tennis player. He won 15 major singles titles, including two U.S. National Championships in 1948 and 1949, and 13 Professional majors. He also won three Tournament of Champions professional events in 1957, 1958, and 1959. Gonzales was ranked as the amateur world No. 1 in 1948 by Ned Potter and in 1949 by Potter and John Olliff.