Aleksandr Nikolaevich Promptov (also spelled as Promptoff) (27 June 1898, Sevastopol - 11 November 1948, Koltushi) was a Russian and Soviet geneticist and ornithologist who studied bird calls, made recordings and suggested the role of vocalization and behavior in isolation and speciation.
Morgan's Physical Basis of Heredity into Russian and joined Sergei Chetverikov's research team working on Drosophila.
In 1926 he started research at Moscow University's Institute of Zoology on pleiotropism and polymorphism in Drosophila genetics.
Throughout this period, he continued to take an interest in field ornithology and began to explore many aspects of avian biology including song learning and hybridization of finches.
[3] In 1940 he moved to an Ornithological Laboratory at the Institute of Evolutionary Physiology and Pathology of Higher Nervous Activity which had been established in Koltushi by Ivan Pavlov and then directed by his student Leon Orbeli.