Logan, SIR WILLIAM EDMOND

Logan, SIR WILLIAM EDMOND, geologist, was born, a Scotch baker's son, at Montreal, in Canada, on 20th April 1798, and in 1814 was sent over to Edinburgh High School. For ten years he worked in a commercial counting-house in London, and was then, about 1828, sent to Swansea to take charge of the finances of a copper-smelting company. Whilst living in South Wales he prepared geological maps of the coal-basins in that part of the country, and his work was so well done that it was incorporated in the 1-inch maps of the Geological Survey. In 1842-71 Logan was director of the Canadian Geological Survey. He was the discoverer of the Stigmaria underclays and of the Eozoön Canadense (q.v.). He was knighted in 1856, and died in Wales, 22d June 1875. See the Life by Harrington (1883).