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Edwin Stevens : ウィキペディア英語版 | Edwin Stevens (Arthur) Edwin Stevens CBE (17 October 1905 – 29 January 1995) was a Welsh inventor who designed the world's first wearable electronic hearing aid. He was also a philanthropist, becoming a major benefactor to the Royal Society of Medicine, and to Jesus College, Oxford, at which he had studied between 1927 and 1929. ==Life== Stevens was born at Panteg, Monmouthshire. He was educated at West Monmouth School, University College, Cardiff (obtaining a Bachelor of Science degree in physics in 1927) and Jesus College, Oxford (obtaining a further Bachelor's degree in Natural Sciences in 1929). He started working for the Radio Corporation of America and then as a salesman for a manufacturer of electrical hearing aids. As he considered that the products he was selling were inadequate, he set up his company (Amplivox) to make better hearing aids. He designed the world's first wearable electronic hearing aid: the microphone went on the lapel, the amplifier went in the jacket pocket and the earphone was small enough not to need a headband.〔〔 Eventually, as technology improved, Stevens created a hearing aid that was small enough to fit completely in the outer ear. His hearing aids were used by Winston Churchill (who was Stevens's personal client), amongst others. He also designed audiometers and acoustic equipment such as protective communication headsets and helmets. He also had a comprehensive collection of aids to hearing, spanning 400 years.〔 Stevens married Kathleen James in 1933; they had three sons, one of whom is Lord Stevens of Ludgate.〔 Stevens died on 29 January 1995.
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