INFO
Photo licensing: andata.no
Country: Norway 
Date of birth: 1898, May 12 (125 years ago)
Day of death: 1972, August 22 (51 years ago)
Well-known for: amateur astronomer, discoverer of the Hassel’s Comet
Bio: wikipedia EN | FR | NO | unusualverse EN | excepcionales ES
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Topic: Science
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