deaths
May 3, 1925
Clément Ader, French engineer, designed the Ader Avion III (born 1841)

Clément Ader
Clément Ader was a French inventor and engineer who was born near Toulouse in Muret, Haute-Garonne, and died in Toulouse. He is remembered primarily for his pioneering work in aviation. In 1870 he was also one of the pioneers in the sport of cycling in France.
Ader Avion III
The Avion III was a steam-powered aircraft built by Clément Ader between 1892 and 1897, financed by the French War Office.