Уфа Мендбаевич Ахмедсафин, 1912-1984

This is a biography of zoologist and traveler Aleksandr Fedorovich Middendorf (Alexander Theodor von Middendorff, 1815-1884). He was born to a German family settled in Russia. His expedition to Siberia was the first one which reached the peninsula Taimyr and the Amur region and started their scientific exploration. He also was one of the founders of zoogeography and the field of studying permafrost in Russia. Chronology, bibliography, name index.