William B. Wiegand (February 17, 1889 – August 18, 1976)[1][2] was a Canadian-born research chemist and later a chemicals industry executive. He was vice president ofColumbian Carbon Co., known for his pioneering work oncarbon black technology and for his early support for the development of theelectron microscope.[3][4] Wiegand developed a type ofheat engine, the rubber pendulum, based on theGough-Joule effect.[5] Later in his career, he studied carbon black's reinforcing effect on rubber, and proposed that the effect arises due to forces acting at the interface between the carbon black and the surrounding elastomer matrix. He was a pioneer in developing the furnace method for producing carbon black.[6] Wiegand was the 1923ACS Rubber Division chair.[7] He received theColwyn medal in 1956[8] and theCharles Goodyear Medal in 1960.[9]
Wiegand was born inConestogo, Ontario, Canada on February 17, 1889. He earned an undergraduate degree in chemistry in 1912 and a masters in physics in 1913 from theUniversity of Toronto. He died inBernardston, Massachusetts on August 18, 1976, at the age of 87.[10][11]
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