/

French art dealer and auctionneer (1912-
Étienne Ader (* 15. November 1903 in Paris; † 22. August 1993 in Boulogne-Billancourt) was a french art dealer and auctionneer (1912-. He was 89 years old. He worked at Hôtel Drouot and Ader. He was awarded the Order of the Francisque.