VLADIMIR KOMAROV, president of the Academy of Sciences of the U.S.S.R., celebrated his seventy-fifth birthday on October 14. It also marked the fiftieth anniversary of his scientific work. Komarov holds many posts; thus in addition to being president of the Academy of Sciences of the U.S.S.R., he is chairman of the Council for Studying the Production Potentialities of the U.S.S.R., chairman of the All-Union Botanical Society and the All-Russian Society for the Conservation of National Resources, head of the Department of Geography in the Botanical Institute of the Academy of Sciences, and head of the Botanical Department of the University of Leningrad. In addition, he is editor, of leading Soviet periodicals on biology and author of more than two hundred published works, including a number of monographs, text-books and papers of botanical interest. Komarov has taken part in, organized and directed nine large research expeditions in Central Asia, the Far East and Kamchatka, and has become the leading authority on the flora of Asia and particularly of the Far East. More than sixty plant species have been named after him.