 He is also known for the development of the Drift Sight and Course Setting Bomb Sight during World War I, devices that revolutionised the art of bombing.Wimperis was born on 27 August 1876 to Joseph Price Wimperis, an Australian merchant, and Jemima Samuel in Edmonton, London.He started his studies at Royal College of Science (part of Imperial College) and then moved to Gonville and Caius College, Cambridge as an advanced student in 1898.