Gaspard Monge's mausoleum

Gaspard Monge, whose remains are deposited in the burying ground in Père Lachaise Cemetery, at Paris, in a magnificent mausoleum, was professor of geometry in the École polytechnique at Paris, and with Denon accompanied Napoleon Bonaparte on his memorable expedition to Egypt; one to make drawings of the architectural antiquities and sculpture, and the other the geographical delineations of that ancient country. He returned to Paris, where he assisted Denon in the publication of his antiquities. At his decease the pupils of the Polytechnique School erected this mausoleum to his memory, as a testimony of their esteem, after a design made by his friend, Monsieur Denon. The mausoleum is of Egyptian architecture, with which Denon had become familiarly acquainted.

Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).