[2] He was a student at the École Polytechnique which he entered in 1806,[3][4] He became an artillery captain, serving in Spain, and was decorated by Napoleon I during the Hundred Days.
Demobilised, he taught applied science at the École royale de l'artillerie in Metz from 1817, then transferred to teacher training in the same city.
He had supporters who wished to keep out Adolphe Blanqui, who became successor to Jean-Baptiste Say at the Conservatoire national des arts et métiers; and he might have combined that position with the artillery professorship at Vincennes.
[14] In 1835 Bergery quarrelled seriously with Poncelet and François Théodore Gosselin, who accused him of plagiarism; and his position in Metz was undermined.
[17] He wrote: Arithmétique appliquée aux spéculations commerciales et industrielles (1830)[27] was the second edition by Bergery of a book by the late Woisard.