Here we see Charles Parel at the 1923 Championnat de la Bicyclette Polymultipliée. Charles Parel regularly competed in the Championnat de la Bicyclette Polymultipliée, coming second in 1927.
Charles is riding an Austral bicycle fitted with a Boizot 3 speed derailleur.
He was Swiss, was born in 1893, rode four Tours de France (1921 to 1924 inclusive) and has a certain organised look about him.
(Source gallica.bnf.fr/ Bibliothèque nationale de France)