Otto Bruno Schoenfeld participant of 1900 Summer Olympics
Athletic career
He was an all-round sportsman, competing in fencing, wrestling and boxing. 
Fencing
In April 1900 he made his way, unsponsored, to the Exposition Universelle (World's Fair), where he won the world fencing championship. Some months later he competed at the 1900 Summer Olympics for the United States in masters sabre.High jump
Schoenfeld competed in a professionals-only event at the 1900 Summer Olympics, coming second to Mike Sweeney.Long jump
He also competed in a professionals-only long jump, again finishing behind Sweeney in second place. As Schoenfeld was a strict amateur it is unclear why he competed in this event.
Wrestling
In wrestling he is best known for fighting Tom Jenkins (twice), Frank Gotch and Charlie Olsen.
Boxing
As a boxer he fought Kid McCoy, knocking him down but eventually losing the bout.