[2][3] In 1903, Lux took part in the first gymnastics World Championships, where he took gold in the team competition and silver overall behind Joseph Martinez.

Lux also took gold in the pommel horse and silver in the rings.

In 1907, Lux won silver in the team competition and gold in the individual parallel bars.

He competed in the men's artistic individual all-around event at the 1908 Summer Olympics.

This biographical article related to French artistic gymnastics is a stub.