Julius Carl Fritz Manteuffel (11 January 1875 in Berlin – 21 April 1941 in Berlin) was a German gymnast. He competed at the 1896 Summer Olympics in Athens.Manteuffel was a member of the German team that won two gold medals by placing first in both of the team events, the parallel bars and the horizontal bar. He also competed in the parallel bars, horizontal bar, vault, and pommel horse individual events, though without success.
Georges Lucien Démanet (6 December 1874 – 20 June 1943) was a French gymnast who competed at the turn of the 20th century. He participated in Gymnastics at the 1900 Summer Olympics in Paris and won the bronze medal with a total score of 293 points in the only gymnastic event to take place at the games, the combined exercises. Gustave Sandras won gold with a score of 302 points and Noel Bas won silver.
François "Noël" Bas (25 December 1877 –3 July 1960) was a French gymnast who competed in the early 20th century. He participated in Gymnastics at the 1900 Summer Olympics in Paris and won the silver medal in the only gymnastic event to take place at the games, the combined exercises. Gustave Sandras won gold.