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Yrjö Väisälä

Finnish astronomer and physicist.

Born September 6th, 1891 in Kontiolahti. [ref]

Died July 21st, 1971 at 79 years old in Rymättylä.

Occupations
Esperantist, astronomer, meteorologist, physicist, university teacher
Wikipedia
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Please don't retouch my wrinkles. It took me so long to earn them. Anna Magnani