Ilya Perfilyev

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Ilya Perfilyev (Perfiryev) (Russian: Илья Перфильев (Перфирьев)), was a Russian explorer, polar seafarer and a founder of Verkhoyansk. In the summer of 1633 he headed a group, consisted of merchant-and-industrial people and Yenisey and Tobolsk Cossacks. In 1634 he discovered the Yana River and the Yana-Indigirka lowland.