Claude Dechales

Claude François Milliet Dechales (1621 – 28 March 1678) was a French Jesuit priest and mathematician.

He participated in the French Jesuit mission to the Ottoman Empire and taught literature in the schools of his order for nine years.

Back in France, Louis XIV had him appointed professor of hydrography in Marseille where he taught navigation and military engineering.

He published in Lyon his famous Cursus seu Mondus Matematicus.

At the end of his life, Dechales taught mathematics in a college in Turin in Piedmont, where he died, on 28 March 1678.