Jean Keller
Paul Jean Keller (22 June 1905 – 5 May 1990) was a French middle-distance runner, who competed at the 1924, 1928 and 1932 Summer Olympics. In 1924 he finished fourth in the team 3000 m event. Four years later he placed eighth in the 800 m and 11th in the 1500 m. In 1932 he was eliminated in the heats of the 800 m event. He finished ninth in the 800 m at the 1934 European Championships.