Apollo Mussin-Pushkin
Count Apollos Apollosovich Musin-Pushkin was a Russian chemist and plant collector. He led a botanical expedition to the Caucasus in 1802 with his friend botanist Friedrich August Marschall von Bieberstein.
In 1797, he was elected a foreign member of the Royal Swedish Academy of Sciences. He was a member of the Russian mining board and developed several new methods of refining and processing of platinum. The genus of Puschkinia commemorates his name.