Léon Vanderstuyft
Léon Vanderstuyft was a Belgian cyclist. After winning a bronze medal at the UCI Motor-paced World Championships in 1908 in the amateurs division he turned professional and won a silver and a gold medal in 1910 and 1922, respectively.
On 29 September 1928 he set a world speed record of 122.771 km/h riding behind a pacer.
His father Fritz and elder brother Arthur were also professional cyclists.