• Waldo Lonsbury Semon (September 10, 1898 – May 26, 1999) was an American inventor born in Demopolis, Alabama. He is credited with inventing methods for...
    7 KB (652 words) - 18:25, 25 July 2024
  • Semon (fl. c. 600?), an Irish monk and scholar of the Early Middle Ages Richard Semon (1859–1918), German zoologist and evolutionary biologist Waldo Semon...
    843 bytes (150 words) - 21:33, 27 June 2023
  • Thumbnail for Polyvinyl chloride
    processing the rigid, sometimes brittle polymer thwarted their efforts. Waldo Semon and the B.F. Goodrich Company developed a method in 1926 to plasticize...
    56 KB (5,174 words) - 22:28, 13 October 2024
  • BFGoodrich scientist Waldo Semon produced the first usable vinyl polymer, marketed under the trade name “Geon”. In 1933, Waldo Semon was granted US Patent...
    5 KB (406 words) - 04:45, 9 April 2024
  • monomers in alternating sequence. Other brands included Koroseal, which Waldo Semon developed in 1935, and Sovprene, which Soviet researchers created in...
    10 KB (1,177 words) - 17:28, 25 October 2024
  • develops a method for producing cellophane and secures a patent. 1926 Waldo Semon and the B.F. Goodrich Company developed a method to plasticize PVC by...
    8 KB (299 words) - 18:32, 23 June 2024
  • in 1872 Eugen Baumann discovered PVC, although it would not be until Waldo Semon developed methods in the US in the late 1920s could PVC be largely made...
    5 KB (588 words) - 13:06, 31 October 2024
  • Thumbnail for Vinyl composition tile
    suitable for use in basements where alkaline moisture was present. In 1926, Waldo Semon, working in the United States, invented plasticized polyvinyl chloride...
    10 KB (1,093 words) - 17:28, 22 July 2024
  • Thumbnail for Victor Mills
    War II he was involved with the production of synthetic rubber with Waldo Semon, the inventor of vinyl, who was his mentor at the University of Washington...
    5 KB (603 words) - 09:27, 30 June 2024
  • Thumbnail for Plumbing
    century but did not become practical to manufacture until 1926, when Waldo Semon of BF Goodrich Co. developed a method to plasticize PVC, making it easier...
    42 KB (4,865 words) - 01:17, 18 September 2024
  • Thumbnail for Vehicle vinyl wrap
    commercial applications failed as a result of being too fragile. In 1926, Waldo Semon invented the vinyl still used today by introducing additives to PVC that...
    14 KB (1,807 words) - 09:57, 18 September 2024
  • Review of Biology is established by Raymond Pearl in the United States. Waldo Semon and the B.F. Goodrich Company develop a method of plasticizing polyvinyl...
    13 KB (1,224 words) - 23:36, 2 November 2024
  • singer (d. 1976) 1898 – Bessie Love, American actress (d. 1986) 1898 – Waldo Semon, American chemist and engineer (d. 1999) 1903 – Cyril Connolly, English...
    50 KB (5,024 words) - 00:43, 27 October 2024
  • boleros, fall. Paul Sacher, 93, Swiss conductor, patron and impresario. Waldo Semon, 100, American inventor. Erik von Kuehnelt-Leddihn, 89, Austrian political...
    51 KB (4,075 words) - 21:42, 1 September 2024
  • physicist Waldo Semon – inventor of vinyl and synthetic rubber Bell M. Shimada (B.S. 1947, M.S. 1948, Ph.D. 1956) – fisheries scientist Waldo R. Tobler...
    84 KB (9,014 words) - 14:51, 29 October 2024
  • 1999 – Paul Sacher, Swiss conductor and philanthropist (b. 1906) 1999 – Waldo Semon, American chemist and engineer (b. 1898) 2001 – Vittorio Brambilla, Italian...
    51 KB (5,272 words) - 02:17, 11 October 2024
  • the structures and functional organization of the cell. September 10 – Waldo Semon (died 1999), American inventor. November 16 – Warren Sturgis McCulloch...
    10 KB (1,057 words) - 10:07, 2 August 2024
  • Physics. May 8 – Edward Abraham (b. 1913), English biochemist. May 26 – Waldo Semon (b. 1898), American inventor. July 8 – Pete Conrad (b. 1930), American...
    10 KB (1,011 words) - 02:31, 28 June 2024
  • Thumbnail for List of people from Alabama
    Jay Sebring, hair stylist, Charles Manson murder victim (Birmingham) Waldo Semon, inventor of vinyl (Demopolis) David Sessions, member of the Alabama...
    76 KB (6,041 words) - 19:20, 2 November 2024
  • Thumbnail for List of National Inventors Hall of Fame inductees
    Retrieved January 4, 2020. "National Inventors Hall of Fame Inductee Waldo Semon Invented PVC". www.invent.org. June 4, 2024. Archived from the original...
    251 KB (14,627 words) - 17:02, 18 October 2024
  • "Obituary Dr. Victor B. Scheffer". Seattle Times. Retrieved 2011-10-02. "Waldo Semon (1898–1999)". Inventor of the Week. Michigan Institute of Technology...
    86 KB (4,646 words) - 14:38, 17 October 2024
  • Representative 1841–1943, United States Ambassador to Venezuela 1845–1850 Waldo Semon, inductee of the Inventor Hall of Fame, inventor of vinyl, holder of...
    5 KB (524 words) - 23:19, 19 October 2024
  • wrestler (b. 1965) John T. Hayward, American admiral (b. 1908) May 26 – Waldo Semon, American inventor (b. 1898) May 31 – Charles Pierce, American impressionist...
    62 KB (4,911 words) - 04:59, 3 November 2024
  • State University. Schollenberger was hired at B. F. Goodrich in 1947 by Waldo Semon, helping to open a new research center in Brecksville, Ohio in 1948....
    6 KB (460 words) - 15:35, 22 April 2024
  • 1961 (died 1961) September 10 Katharine Alexander, actress (died 1981) Waldo Semon, inventor (died 1999) September 26 – George Gershwin, composer (died...
    27 KB (2,016 words) - 23:56, 5 September 2024
  • John Garvey (1900–1973) was a chemist at BF Goodrich who worked under Waldo L. Semon on the development of synthetic rubber, contributed to understanding...
    2 KB (244 words) - 19:07, 25 October 2024
  • neighboring bridle trails. Waldo Semon Conservation Area This 122-acre conservation area was donated in 1974 by Waldo Semon, an employee of Akron's B.F...
    41 KB (6,122 words) - 02:09, 22 December 2023
  • Thumbnail for Synchronized swimming at the 1988 Summer Olympics – Women's duet
    Michelle Cameron Carolyn Waldo  Canada Sarah Josephson Karen Josephson  United States Miyako Tanaka Mikako Kotani  Japan...
    9 KB (42 words) - 00:01, 21 June 2024
  • Thumbnail for B. H. DeLay
    dramas. He acted and performed aerials with Ruth Roland, Oliver Hardy, Larry Semon, Milton Sills, Agnes Ayres, Florence Vidor, Al St. John, Helen Holmes, Viola...
    18 KB (2,443 words) - 12:51, 11 March 2024
  • 175.08 1990  Sylvie Fréchette (CAN) 196.68  Kerry Shacklock (ENG) 184.79  Semon Rohloff (AUS) 173.320 1994  Lisa Alexander (CAN) 189.4835  Kerry Shacklock (ENG)...
    4 KB (23 words) - 09:45, 31 July 2022