Botanist (1873-1942).
Alexander Alexandrovich Elenkin (1873–1942, Russian: Еленкин, Александр Александрович) was a lichenologist in the Russian Empire and the Soviet Union. He was born in Warsaw and took his degree in botany at the University of Warsaw, graduating in 1893. He became an assistant there in 1898. The next year he became conservator and director of the Cryptogamic Department at the Imperial Botanic Garden of Saint Petersburg. Since 1901 Elenkin issued the exsiccata series Lichenes florae Rossiae et regionum confinium orientalium. In 1901, Elenkin published a critical note on Viktor Pisarzhevsky's liter