| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | Hans-Jürgen•Geismar |
| Used name | Hans-Jürgen•Geismar |
| Born | 27 March 1943 in Jena, Thüringen (GER) |
| Died | 29 April 2020 in München (Munich), Bayern (GER) |
| NOC | West Germany |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Volleyball (Volleyball) | FRG |
Hans-Jürgen Geismar | ||||
| Volleyball, Men (Olympic) | Match #5 | Soviet Union — Republic of Korea | Referee #2 | ||||
| Volleyball, Men (Olympic) | Match #15 | Soviet Union — Poland | Referee #2 |