Charles Messier
26 June 1730 — 12 April 1817
Charles Messier was a French astronomer. He published an astronomical catalogue consisting of 110 nebulae and star clusters, which came to be known as the Messier objects, referred to with the letter M and their number between 1 and 110. Messier's purpose for the catalogue was to help astronomical observers distinguish between permanent and transient visually diffuse objects in the sky.
A memorial on Digital Cemetery, an endless map you can explore. This grave stands at coordinates -32, 56.