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Sir John William Dawson (1820–1899) was a Canadian geologist and university administrator.
Life and work
John William Dawson was born on 13 October 1820 in Pictou, Nova Scotia, where he attended and graduated from Pictou Academy. Of Scottish descent, Dawson attended the University of Edinburgh to complete his education, and graduated in 1842, having gained a knowledge of geology and natural history from Robert Jameson.
Dawson returned to Nova Scotia in 1842, accompanying Sir Charles Lyell on his first visit to that territory. Dawson was subsequently appointed as Nova Scotia's first superintendent of education. Holding the post from 1850 to 1853, he was an energetic reformer of school design, teacher education and curriculum. Influenced by the American educator Henry Barnard, Dawson published a pamphlet titled, "School Architecture; abridged from Barnard's School Architecture" in 1850. One of the many schools built to his design, the Mount Hanley Schoolhouse still survives today, including the "Dawson Desks" named after him. Dawson's travels as school superintendent allowed him to deepen his geological studies, as he visited and studied geological sites across the region, leading to publication of his classic "Acadian Geology" (1855 and subsequent editions). He entered zealously into the geology of Canada, making a special study of the fossil forests of the coal-measures of Joggins, Nova Scotia, now a UNESCO World Heritage Site. During the course of his second exploration of the cliffs with Charles Lyell in 1852, he discovered the remains of a tetrapod named Dendrerpeton entombed within a fossil tree. Over the years, he continued his exploration of the fossil trees, eventually unearthing the oldest known reptile in the history of life, which he named Hylonomus lyelli in honour of his mentor.
