George Alexander Ehrman
George Alexander Ehrman (2 February 1862,Pittsburgh- 30 January, 1926,Pittsburgh) was an American entomologist who specialised in Lepidoptera notably Papilionidae. Ehrman invented equipment which came into general use in the manufacture of blown and pressed glass for the Macbeth-Evans Glass Company and the United States Glass Company. In later years he was employed in the Research Laboratory of the Mesta Machine Company. Financially secure Ehrman was able during his later life to devote himself to natural history including ornithology. He made extensive collections of the Lepidoptera and Coleoptera of western Pennsylvania then extended his collections worldwide. He  specialised in Papilionidae, the genus "Catocala", and the butterflies and moths of Liberia, and the beetle genus "Cychrus" and its allies. His collection of American und exotic Rhopalocera and Coleoptera was bequeathed to the Carnegie Museum of Natural History. The species described by him are listed by Holland (1927) Works. partial list