Johan Stumpf participant of 1906 Intercalated Games
Johan Leopold Stumpf (19 May 1880 – 24 August 1944) was a Norwegian gymnast who competed in the 1906 Summer Olympics.
in Athens, Greece.Johan Leopold Stumpf was born at Kristiansand in Vest-Agder, Norway. He was the son of Ladislav Leopold Stumpf (1856-1944) and Amalie Gudine Olausdatter
(1851-1927). He competed as a member of the  Kristiansands Turnforening gymnastics club. In 1906, he won the gold medal as a member of the Norwegian gymnastics team in the Gymnastics Team Combined Exercises at the  Intercalated Olympic Games.  He later emigrated to Texas.