(1798–1875), geologist. Born in Montreal to Scottish immigrants William Logan and Janet Edmond, Logan attended Alexander Skakel's school in Montreal, Edinburgh High School, and the University of Edinburgh. Employed by his uncle in London from 1817, he managed the Forest Copper Works, Swansea, South Wales, from 1831. Logan's cross-sectional maps of regional coal seams raised the standard of precision for the Geological Survey of Great Britain. His theory of coal's in situ formation, presented to the Geological Society of London in 1837, earned further recognition from leading geologists.
From The Oxford Companion to Canadian History in Oxford Reference.
Subjects: History of the Americas.