Charles Stent Charles Stent Charles Stent (1807–1885) was a 19th-century English dentist notable for his advances in the field of denture making. In 1847, Edwin Truman introduced gutta-percha as a material for making dental impressions; however, this was unsatisfactory for several reasons, including its tendency to distort upon removal from the patient's mouth, and to shrink upon cooling. In 1856, Stent added several other materials to the gutta-percha, notably stearine, which markedly improved the plasticity of the material as well as its stability. He also added talc as an inert filler to give more body to the material, and red colouring. The
Charles Drew (surgeon) Charles Drew (surgeon) Charles Edwin Drew (15 December 1916 – 31 May 1987) was a cardiothoracic surgeon best known for assisting Sir Clement Price Thomas in King George VI's pneumonectomy in 1951. He went on to conduct pioneering research on profound hypothermia in cardiac surgery and what came to be known as the 'Drew technique'. Drew died from throat cancer at the age of 70 in 1987, leaving his wife Maureen and two children. Born in Lambeth, 15 December 1916, as the eldest son of Edwin Frank Drew, an accountant, and Eunice (née Lloyd-Davies), Drew started his education in Stockwell.