Max Leonard Gumpel (April 23,1890--August 3,1965) was a Swedish water polo player and breaststroke swimmer who competed in the 1908 Summer Olympics, in the 1912 Summer Olympics and in the 1920 Summer Olympics.
Max Leonard Gumpel (April 23,1890--August 3,1965) was a famous Swedish building contractor. Gumpel participated in the 1912 Summer Olympics and in the 1920 Summer Olympics.