Thomas Simpson FRS was a British mathematician and inventor known for the eponymous Simpson's rule to approximate definite integrals. The attribution, as often in mathematics, can be debated: this rule had been found 100 years earlier by Johannes Kepler, and in German it is called Keplersche Fassregel, or roughly "Kepler's Barrel Rule".
Brest May 8th 1778 Gentlemen Its extremely disagreeable to me, that my first address to you, shou’d be on such an occasion, as the following detail, which is that immediately…
Brest July 3d. 1778 Gentlemen I am to Acknowledge the receipt of your favor from Passi of the third of last month, 1 for which, and your kind interposition in…