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Willem Hendrik van den Bos

Dutch astronomer
Willem Hendrik van den Bos was a Dutch astronomer who worked at the Union Observatory in South Africa and became its director in 1941. He discovered nearly 3000 new double stars, made more than 71000 astronomical measurements and compiled a... Wikipedia
Born: September 25, 1896, Rotterdam, Netherlands
Died: March 30, 1974 (age 77 years), Johannesburg, South Africa