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People: Jean Baptiste Joseph Delambre
Location: Sekigahara Gifu Japan

Jean Baptiste Joseph Delambre

French mathematician and astronomer
Years: 1749 - 1822

Jean Baptiste Joseph, chevalier Delambre (September 19, 1749 – August 19, 1822) is a French mathematician and astronomer.

He is also director of the Paris Observatory, and author of well-known books on the history of astronomy from ancient times to the eighteenth century.