Johann Koller Explained

Johann Koller
Nationality:	Austrian
Sport:	Field hockey
Birth Date:	3 March 1921
Birth Place:	Vienna, Austria
Death Place:	Vienna, Austria

Johann Koller (3 March 1921  - 21 January 1999) was an Austrian field hockey player. He competed at the 1948 Summer Olympics and the 1952 Summer Olympics.^[1]

Notes and References

1. Johann Koller Olympic Results . https://web.archive.org/web/20200418071852/https://www.sports-reference.com/olympics/athletes/ko/johann-koller-1.html . dead . 18 April 2020 . 13 September 2019.