Waldo Semon, American chemist and engineer (d. 1999)
Waldo Lonsbury Semon (September 10, 1898 – May 26, 1999) was an American inventor born in Demopolis, Alabama. He is credited with inventing methods for making polyvinyl chloride useful.
1898Sep, 10
Waldo Semon
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Events on 1898
- 20Apr
Spanish-American War
President William McKinley signed a joint resolution to Congress for declaration of War against Spain, beginning the Spanish-American War. - 10Jun
United States Marine Corps
Spanish-American War: U.S. Marines land on the island of Cuba. - 3Jul
Battle of Santiago de Cuba
A Spanish squadron, led by Pascual Cervera y Topete, is defeated by an American squadron under William T. Sampson in the Battle of Santiago de Cuba. - 23Aug
Heroic Age of Antarctic Exploration
The Southern Cross Expedition, the first British venture of the Heroic Age of Antarctic Exploration, departs from London. - 13Sep
Photographic film
Hannibal Goodwin patents celluloid photographic film.