Waldo L. Semon In 1912, the European scientist Klattes had discovered that hydrochloric acid combined with acetylene gives vinyl chloride. Another European, Ostromislenski, in the same year patented the production of a rubber-like material from vinyl chloride. However,... more
Semon, Waldo Lonsbury (born Sept. 10, 1898, Demopolis, Ala., U.S.—died May 26, 1999, Hudson, Ohio) U.S. chemist. He obtained his doctorate from the University of Washington and subsequently worked for the B.F. Goodrich Co. He is known principally for his discovery of pl... more
