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About the Author
Ian Jackson took part in the Canadian International Geophysical Year expedition to northern Ellesmere Island in 1957-58 and then taught at the London School of Economics and worked for the Canadian Government in Ottawa. He is a former Executive Director of Sigma Xi in New Haven, Connecticut, and is an Associate Fellow of Timothy Dwight College, Yale University. His publications include 'Letters from the 49th Parallel, 1857-1873' for the Champlain Society (Toronto, 2000).