THE DATE BEHIND THE NAME
Willem Klein
Dutch mental calculator (1912–1986)
Willem Klein was born on December 4, 1912 in Amsterdam, Netherlands and died on August 1, 1986, aged 73.
Born
December 4, 1912
Willem Klein died aged 73.
Died: August 1, 1986
- Birthplace
- Amsterdam, Netherlands
- Professions
- mathematician, mental calculator
- Citizenship
- Kingdom of the Netherlands
More about Willem Klein
- Zodiac sign
- Sagittarius
All birth date sources
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Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
How old was Willem Klein when they died?
Willem Klein died aged 73.
When is Willem Klein’s birthday?
Willem Klein’s recorded birthday is December 4.
Where was Willem Klein born?
Willem Klein was born in Amsterdam, Netherlands.
When did Willem Klein die?
Willem Klein died on August 1, 1986.