Sir William Edmond Logan was a Canadian geologist born on April 20, 1798, in Scotland. He is best known for his work in mapping the geology of the Canadian Shield and for founding the Geological Survey of Canada in 1842. His contributions significantly advanced the understanding of Canada's geological resources. Logan's research included the study of minerals and fossils, which helped identify valuable natural resources. He was recognized for his efforts in promoting geological science in Canada and was knighted in 1856 for his contributions. Logan passed away on June 22, 1875, leaving a lasting legacy in the field of geology.