Claude Gaspard Bachet de Méziriac [SEP] native language
Claude Gaspard Bachet de Méziriac
Claude Gaspard Bachet de Méziriac (9 October 1581 – 26 February 1638) was a French mathematician, linguist, poet and classics scholar born in Bourg-en-Bresse, at that time belonging to Duchy of Savoy.
Bachet was a pupil of the Jesuit mathematician Jacques de Billy at the Jesuit College in Rheims. They became close friends.
Bachet wrote the "Problèmes plaisants", of which the first edition was issued in 1612, a second and enlarged edition was brought out in
. Billy also taught in Grenoble. He also served as rector of a number of Jesuit Colleges in Châlons-en-Champagne, Langres and in Sens.
The mathematician Claude Gaspard Bachet de Méziriac, who had been a pupil of Billy's at Rheims, became a close friend. Billy maintained a correspondence with the mathematician Pierre de Fermat.
Work and legacy.
Billy produced a number of results in number theory which have been named after him. Bachet introduced Billy to indeterminate analysis. Billy's mathematical works include