Titlebook: Jan Hendrik Oort; Master of the Galact Pieter C. van der Kruit Book 2019 Springer Nature Switzerland AG 2019 Biography of Jan Hendrik Oort.

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https://doi.org/10.1007/978-3-030-17801-7Biography of Jan Hendrik Oort; Oort‘s cloud; Dutch astronomers; History of astronomy; History of science

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Growing Up in Oegstgeest, close to Leiden a few years later. Oort grew up there, attended elementary and secondary school in Leiden. He had a strong interest in exact sciences and went to Groningen to study physics or astronomy, to a large extent attracted by the fame of astronomer J.C. Kapteyn.

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Via Yale to Leiden,s. In the end he stayed for two years, interrupted for a few months to complete his military service in the Netherlands. In 1924 he made an extensive tour of the USA, spending some time in Pasadena, California and Mount Wilson Observatory before returning to the Netherlands to start his appointment in Leiden.

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Westerbork, Retirement and Beyond,In the after-dinner speech at the IAU Symposium 74 on . held in Cambridge, UK, in August 1976, Oort told the following story (from my personal recollection):

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0067-0057 including documents in Dutch.Written by a student of the sub.This book is the first thorough and overdue biography of one of the giants of science in the twentieth century, Jan Hendrik Oort. His fundamental contributions had a lasting effect on the development of our insight and a profound influence

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