Martin Spanberg
Martin Spanberg (Russian: Мартын Петрович Шпанберг, romanized: Martyn Petrovich Shpanberg; died 1761) was a Danish-born Russian naval officer who took part with his compatriot Vitus Bering in both Kamchatka expeditions as second in command. He is best known for finding a sea route to Japan from Russian territory and for exploring the Kuril Islands. Shikotan, one of the Kurils, was renamed in his honor by the Russians in 1796.