
naturalist
Russian naturalist, psychologist, zoologist and arachnologist (1849–1934)
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Join the roomVladimir Aleksandrovich Wagner was a Russian psychologist and naturalist known for his studies of comparative and evolutionary psychology. He also studied spiders, and in 1882 proposed the first classification of spider families based on copulatory organs. His friend Anton Chekhov was inspired to write the novella, "The Duel", based on discussions with Wagner.