THE DATE BEHIND THE NAME
Waldo Semon
American inventor (1898–1999)
Waldo Semon was born on September 10, 1898 in Demopolis, United States and died on May 26, 1999, aged 100.
Born
September 10, 1898
Waldo Semon died aged 100.
Died: May 26, 1999
Source:
- Semon, Waldo Lonsbury (10 September 1898–26 May 1999), research chemist who invented malleable synthetic compounds, including polyvinyl chloride (PVC), commonly known as "vinyl"
- SNAC
- Encyclopædia Britannica Online
Synchronized from Wikidata on October 5, 2026.
- Birthplace
- Demopolis, United States
- Professions
- chemist, inventor
- Citizenship
- United States
More about Waldo Semon
- Zodiac sign
- Virgo
All birth date sources
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
- Semon, Waldo Lonsbury (10 September 1898–26 May 1999), research chemist who invented malleable synthetic compounds, including polyvinyl chloride (PVC), commonly known as "vinyl"
- SNAC
- Encyclopædia Britannica Online
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
How old was Waldo Semon when they died?
Waldo Semon died aged 100.
When is Waldo Semon’s birthday?
Waldo Semon’s recorded birthday is September 10.
Where was Waldo Semon born?
Waldo Semon was born in Demopolis, United States.
When did Waldo Semon die?
Waldo Semon died on May 26, 1999.