George A. Rothrock (1932-1993) was a professor of European history at the University of Alberta. He joined the faculty as an associate professor in 1964 and became a full professor in 1971.
... the Northwest Passage in a single ship
Roy Chapman Andrews, (1884-1960), US explorer
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Vasco Nunez de Balboa, (c. 1475-1519), (- Spanish, first to sight the Pacifi ...