This is:  “Henri Grégoire (French: [ɑ̃ʁi ɡʁeɡwaʁ]; 4 December 1750 – 28 May 1831), often referred to as Abbé Grégoire, was a French Roman Catholic priest, constitutional bishop of Blois and a revolutionary leader. He was an ardent abolitionist and supporter of universal suffrage, and was a founding member of the Bureau des longitudes, the Institut de France, and the Conservatoire national des arts et métiers.”

By: “C215, is the moniker of Christian Guémy, a French street artist hailing from Paris who has been described as “France’s answer to Banksy”. C215 primarily uses stencils to produce his art.”

At: “The Musée des Arts et Métiers (French pronunciation: ​[myze dez‿aʁz‿e metje], Museum of Arts and Crafts) is an industrial design museum in Paris that houses the collection of the Conservatoire National des Arts et Métiers (National Conservatory of Arts and Industry), which was founded in 1794 as a repository for the preservation of scientific instruments and inventions.” (wiki)

27feb15. Paris, France.