
Jean Victor Audouin, sometimes Victor Audouin, was a French naturalist, an entomologist, herpetologist, ornithologist, and malacologist.

Lucien Berland was a French entomologist and arachnologist

Pierre Bonnet was a French arachnologist who wrote Bibliographia Araneorum, an immense work listing publications on spiders. It was the result of forty years of work.

Paul Camboué was a French Jesuit priest, arachnologist, and entomologist.

Pierre André Latreille was a French zoologist, specialising in arthropods. Having trained as a Roman Catholic priest before the French Revolution, Latreille was imprisoned, and only regained his freedom after recognising a rare beetle species he found in the prison, Necrobia ruficollis.

Guillaume-Antoine Olivier was a French entomologist and naturalist.

Eugène Louis Simon was a French naturalist who worked particularly on insects and spiders, but also on birds and plants. He is by far the most prolific spider taxonomist in history, describing over 4,000 species.

Baron Charles Athanase Walckenaer was a French civil servant and scientist.