LANGMUIR, John Woodburn, Canadian official, born in Warwickmains, Ayrshire, Scotland, 6 November, 1835. He was educated at Kilmarnock, came to Canada in 1849, and was a merchant at Pictou till 1867. In 1859 he was elected mayor of that town, and in 1868 appointed by the Sandfield-Macdonald administration inspector of prisons and public charities for Ontario, which post he resigned in 1882. During his term of office there were founded under his supervision the asylums for the insane at Toronto and Hamilton, the asylum for idiots at Orillia, the institution for the deaf and dumb at Belleville, the institution for the blind at Brantford, and the Central prison, and the Mercer reformatory and refuge at Toronto. His reports to the legislature during his inspectorship fill fourteen volumes. In 1882 Mr. Langmuir and others established the Toronto general trust company, of which he is now (1887) manager. He is one of the Niagara Falls park commissioners.