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Sarah Guppy
Sarah Guppy, née Beach (1770–1852) was an English inventor who contributed to the design of Britain's infrastructure and developed several domestic products. ==Early history and inventions==
Sarah Guppy was born in Birmingham, England. In 1811 she patented the first of her inventions, a method of making safe piling for bridges. Thomas Telford asked her for permission to use her patented design for suspension bridge foundations, and she granted it to him free of charge. As a friend of Isambard Kingdom Brunel and his family she became involved in the Great Western Railway, writing to the directors with ideas and giving her support. In 1841 she wrote a letter recommending planting willows and poplars to stabilise embankments. She continued to offer technical advice despite the fact that, as she wrote, "it is unpleasant to speak of oneself—it may seem boastful particularly in a woman."〔PRO RAIL 1014/8/7〕
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