| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | William•Clark (Oistatcher-) | |
| Used name | William•Clark | |
| Born | 8 October 1899 in Philadelphia, Pennsylvania |  USA |
| Died | 21 March 1988 (aged 88 years 5 months 13 days) in Miami, Florida | USA |
| Affiliations | Hermann Institute | |
| NOC | United States | USA |
William Clark represented the Hermann Institute of Philadelphia at the 1920 Olympics. He later took the name William Oistacher. Clark worked in the 1920s as a physical director at the Elks Lodge Gymnasium in Philadelphia.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Boxing | USA |
William Clark | |||
| Welterweight, Men (Olympic) | 4 |
