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Science & Innovation · Community memorial
Yrjö Väisälä
September 6, 1891 – July 21, 1971
Finnish astronomer and physicist
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Their story
Yrjö Vaisala was a Finnish astronomer and physicist. He is known primarily for the large number of discovered asteroids and for his work in optics. However, he also dealt with Geodesy and optical metrology. He was also an active supporter of Esperanto.
Important dates
- Birthday · September 6
- Anniversary · July 21
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