Ernest de Jonquières

Ernest Jean Philippe Fauque de Jonquières (born Carpentras, France 3 July 1820; died Mousans-Sartoux, France 12 August 1901) was a French mathematician and naval officer who made several contributions in geometry.

Jonquières attended the naval school at Brest, and later joined the French Navy.

During his subsequent time at sea, he continued his mathematical studies, and won a part of the Grand Prix of the French Academy of Sciences in 1862.

In 1865, Jonquières became a captain and was sent to Saigon to organize a French agricultural and industrial exhibition.

He played an important role in the development of current Vietnam as a French colony.