Willem Klein, Date of Birth, Place of Birth, Date of Death

Willem Klein

Dutch mental calculator, circus performer, and murder victim (1912–1986)

Date of Birth: 04-Dec-1912

Place of Birth: Amsterdam, North Holland, Netherlands

Date of Death: 01-Aug-1986

Profession: mathematics, circus, mathematician

Nationality: Kingdom of the Netherlands

Zodiac Sign: Sagittarius

Willem Klein (4 December 1912 – 1 August 1986), also known as Wim Klein or under his stage names Pascal and Willy Wortel, was a Dutch mathematician of Jewish ancestry, famous for being able to carry out very complicated calculations in his head very fast.
On 27 August 1976, he calculated the 73rd root of a 500-digit number in 2 minutes and 43 seconds.
This feat was recorded by the Guinness Book of Records.