BRAIDWOOD, THOMAS (1715-1806), British teacher of the deaf and dumb, was born in Scotland in and educated at Edinburgh university. He became a school teacher, and in 1760 opened in Edinburgh, with one pupil, the first school in Great Britain for the deaf and dumb, following the system of Dr. John Wallis, described in Philosopliical Transactions nearly a hundred years before. This school was the model for all of the early Eng lish institutions of the kind. In 1783 Braidwood moved to Hack ney, where he died on Oct. 24, 1806.