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Claude-Etienne Minié (13 February 1804 – 14 December 1879) was a French military instructor and inventor famous for solving the problem of designing a reliable muzzle-loading rifle by inventing the Minié ball in 1846, and the Minié rifle in 1849. He succeeded the pioneering work of Henri-Gustave Delvigne and Louis-Étienne de Thouvenin.
Minié served in a number of African campaigns with the Chasseurs, after which he was eventually promoted to captain. In 1846 he designed the Minié ball, a cylindrical bullet with a conical hollow in the base which expanded when fired. This projectile, combined with his rifle, resulted in a major improvement in firearm accuracy.