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
Gunther Stent Gunther Stent Gunther S. Stent (28 March 1924 – 12 June 2008) was Graduate Professor of Molecular Biology at the University of California, Berkeley. One of the early bacteriophage biologists, he was known also for his studies on the metabolism of bacteria and neurobiology of leeches, and for his writing on the history and philosophy of biology. He was born Günter Siegmund Stensch in Berlin. His surname was changed following his emigration to the US in 1940, where he went to live in Chicago. He received his BS (1945) and PhD (1948) from the University of Illinois. In 1949, Gunther