Claim: Louis Trousselier (1881 – 24 April 1939was in competitions and the Legend says that DNF-X means Did Not Finish.
Evidence: Louis Trousselier (French pronunciation: ​[lwi tʁu.sɛlje; 1881 – 24 April 1939) was a French racing cyclist who won the 1905 Tour de France. Legend DNF-x Did Not Finish (retired on stage x) He also competed in the men's 25 kilometres event at the 1900 Summer Olympics and won a bronze medal in the Men's points race .