WPierre Chrétien was a French entomologist who specialised in Lepidoptera. He was a member of Société entomologique de France. Trifurcula chretieni Z. & A. Lastuvka & van Nieukerken, 2013 is "named in honour of Pierre Chrétien (1846–1934), who discovered nepticulid mines on Bupleurum, including those on Bupleurum rigidum, and the first author to describe a number of Mediterranean species that are now placed in Trifurcula (Glaucolepis)." His collection is held by National Museum of Natural History in Paris.
WAlexandre Constant also known as Alfred Constant was a French entomologist who specialised in Lepidoptera.
WJacques-Yves Cousteau, was a French naval officer, explorer, conservationist, filmmaker, innovator, scientist, photographer, author and researcher who studied the sea and all forms of life in water. He co-developed the Aqua-Lung, pioneered marine conservation and was a member of the Académie française.
WJules Culot was a French entomologist and an entomological illustrator who specialised in Coleoptera and Lepidoptera.
WÉmile Deyrolle (1838–1917) was a French naturalist and natural history dealer in Paris. The business was originally owned by his naturalist grandfather, Jean-Baptiste Deyrolle who opened his shop in 1831 at 23, Rue de la Monnaie. Émile’s father Achille Deyrolle ran the business for many years. Émile took over in 1866. The address from 1881 was 46, Rue du Bac, the former home of Jacques Samuel Bernhart. Deyrolle specialized in natural history publications and specimens taxidermy, minerals, rocks, fossils, botanical specimens, shells, taxidermy, microscopic specimens and microscopes.
WPaul Dognin was a French entomologist who specialised in the Lepidoptera of South America. Dognin named 101 new genera of moths.
WJean Dorst was a French ornithologist.
WGabriel Dupuy was a French entomologist who specialised in Lepidoptera.
WFrançois-Robert Fenwick Brown also known as Robert-Francois Brown; Francois Robert Fenwick Brown, was a French entomologist who specialised in Microlepidoptera. He was a Member of the Société entomologique de France.
WAbbé François Joseph Fettig was a French entomologist specialising in Lepidoptera and Coleoptera.
WGédéon Foulquier (1855-1941), was a French entomologist who specialised in Lepidoptera. He wrote with Charles Oberthür Catalogue raisonné des Lepidoptères des Bouches-du-Rhône . Premier partie, Rhopalocères. Marseille : Librairie Ruat, 1899.
WAlfred Grandidier was a French naturalist and explorer.
WCharles Janet was a French engineer, company director, inventor and biologist. He is also known for his innovative left-step presentation of the periodic table of chemical elements.
WClaude-François Jeunet, was a French entomologist who specialised in Lepidoptera. He studied the fauna of Doubs and Franche-Comté. Claude-Francois Jeunet was a friend of Charles Oberthur.
WChristian Jouanin was a prominent French ornithologist and expert on petrels. He worked for the Muséum national d'histoire naturelle in Paris and is a former Vice President of the International Union for Conservation of Nature. He has done many major projects in the field, notably with petrels in the Indian Ocean and Madeiras, and has described a number of species.
WCharles Oberthür was a French entomologist specializing in Lepidoptera. He was the son of François-Charles Oberthür.
WJoseph Pierre Rondou was a French entomologist who specialised in Lepidoptera.