Ernest Lavisse (French: [lavis]; 17 December 1842 – 18 August 1922) was a French historian. He was nominated for the Nobel Prize in Literature five times. Lavisse is also known for being one of the main creator of the roman national ("National myth", lit. "national novel"), thank to his history schoolbooks.
Nicolas Camille Flammarion FRAS (French: [nikɔla kamij flamaʁjɔ̃]; 26 February 1842 – 3 June 1925) was a French astronomer and author. He was a prolific author of more than fifty titles, including popular science works about astronomy, several notable early science fiction novels, and works on psychical research and related topics. He also published the magazine L'Astronomie, starting in 1882. He maintained a private observatory at Juvisy-sur-Orge, France.