Waldo Semon 1898 – 1999
Scientists and Inventors
Scientists and Inventors
Biography
Waldo Semon (1898–1999) was an American inventor. Born September 10, 1898 in Demopolis. Died May 26, 1999 in Hudson.
Waldo Semon (1898–1999) was an American inventor. Born September 10, 1898 in Demopolis. Died May 26, 1999 in Hudson.