Jean Baptiste Joseph Delambre
Jean Baptiste Joseph Delambre was born on September 19, 1749. See ranking, bio blurb, and everyone else born that day.
About Jean Baptiste Joseph Delambre
Jean Baptiste Joseph, chevalier Delambre (19 September 1749 – 19 August 1822) was a French mathematician, astronomer, historian of astronomy, and geodesist. He was also director of the Paris Observatory, and author of well-known books on the history of astronomy from ancient times to the 18th century. He is known for his expedition to gather geodetical measurements in order to define the metre.