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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You needn’t die happy when your time comes, but you must die satisfied, for you have lived your life from the beginning to the end. Stephen King