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Paul Chabanaud was a French ichthyologist and herpetologist. Beginning in 1915, he worked as a volunteer under zoologist Louis Roule at the Museum National d'Histoire Naturelle in Paris. In 1919-1920, he undertook a scientific expedition to French West Africa (Senegal, Guinea) on behalf of the museum, during which he collected thousands of zoological specimens. Following his return to Paris, he served as a preparator in the laboratory of biologist Jean Abel Gruvel at the museum. He specialised in the anatomy and systematics of the flatfish and was the taxonomic authority of many herpetological and ichthyological species

John Van Denburgh was an American herpetologist from California. In 1895 he organised the herpetology department of the California Academy of Sciences. He practiced medicine in San Francisco while serving as curator of the herpetological collections of the California Academy of Sciences. After the San Francisco earthquake of 1906 he was instrumental in rebuilding the lost herpetology collections through new expeditions and acquisitions of other collections. In 1922 he published the two-volume The Reptiles of Western North America. He discovered and described at least 38 species of reptiles