Ot·to Neu·mann /ˈɔttoʊ ˈnɔɪmɑn/Show Spelled[awt-toh noi-mahn]Show IPA, 1855?–1930, Norwegian explorer of the Arctic.
2.
Also called Sverdrup Islands.a group of islands in the N Northwest Territories of Canada, in the Arctic, W of Ellesmere Island: named after Otto Neumann Sverdrup.