Édouard Louis Joseph, Baron Merckx, is a Belgian former professional road and track cyclist racer who is the most successful rider in the history of competitive cycling. His victories include an unequalled eleven Grand Tours (five Tours de France, five Giros d'Italia, and a Vuelta a España), all five Monuments, setting the hour record, three World Championships, every major one-day race other than Paris–Tours, and extensive victories on the track.

Edouard Louis Joseph Merckx was born in Meensel-Kiezegem, Brabant, Belgium on 17 June 1945 to Jules Merckx and Jenny Pittomvils. Merckx was the first-born of the family. In September 1946, the family moved to Sint-Pieters-Woluwe, in Brussels, Belgium in order to take over a grocery store that had been up for lease. In May 1948, Jenny gave birth to twins: a boy, Michel, and a girl, Micheline. As a child Eddy was hyperactive and was always playing outside.