He won the bronze medal in individual foil in 1987 .
Marx won the silver medal in team foil at the Pan American Games in 1979 and 1983 , and the bronze in 1987 .
Marx won the bronze medal in individual foil in 1987 .
Marx won the silver medal in team foil at the Pan American Games in 1979 and 1983 , and the bronze in 1987 .