Later when I was somewhat older I used the chemicals for my fireworks. He practiced at home, and therefore he had his office at home, and the pharmacy was also at home - it was his own. ![]() Wesselink:ĭid your father practice medicine at home or did he have an office? Wesselink: So then your recollections of early home life were of this one town and of let's say growing up with three older sisters and brothers. But then he changed, only once, his residence and moved to Hellevoetsluis where my other sister was born and I was born two years later. ![]() The two elder children were born there - that is, in Ruinen - in the northern part of Holland, very close to that part where people have trouble now with the Mallucans. My father started medicine as a practicing physician in Holland but not Hellevoetsluis. ![]() Well, the early home life that you had then: your father was a physician during the entire period during which you were growing up? Wesselink: My parents are, of course, dead for a long time. That was a quiet little place - Hellevoetsluis - I think of about 5000 inhabitants - and there I went to school. I am the youngest one of a family of four children. That's one of the Dutch isles south of Rotterdam. The Hell was a little river on the island on which I was born, and that's the origin of the name of that place where I was born. That means the sluice or the bottom of Hell. Well, I was born in Hellevoetsluis on April 7, 1909. Well, I will do my utmost to give a faithful record of all the early days in my life, as soon as I start remembering something. To start out I'd like to know when you were born and something about your early home life, who your parents were, and just a general description of the early influences that led you into astronomy. Ornstein, Henry Norris Russell, Karl Schwarzschild, Martin Schwarzschild, Otto Struve, Thackeray, Hendrik Christoffell van de Hulst Bethany Observatory, Finsen Radiation Institute, Leiden Southern Station, and Radcliffe Observatory. Also prominently mentioned are: Edwin Eugene Aldrin, Nikolai Pavlovich Barabashov, Bart Jan Bok, Dirk Brouwer, Subrahmanyan Chandrasekhar, Christie, Pierre Demarque, Arthur Stanley Eddington, Albert Einstein, Louis Henyey, Edwin Powell Hubble, Ivan Robert King, Hendrik Anthony Kramers, Bertil Lindblad, Edward Arthur Milne, A. Kapteyn, including plans and execution of 1936 eclipse expedition to Russia war years in Holland Dutch astronomy in World War II living conditions postwar move to South Africa and various positions there move to Yale University in 1964. thesis, 1938 stellar pulsations Lodewijk Woltjer year at Yerkes Observatory, 1938-1939 relations with Kuiper recollections of staff research at Yerkes South Africa, 1939 recollections of Marcel Minnaert. ![]() Preferred citationĮarly life and family interests in Holland study at the Rijksuniversiteit te Utrecht courses in mathematics, physics and astronomy move to Rijksuniversiteit te Leiden in 1929 and contact with Ejnar Hertzsprung work for Hertzsprung on variable stars Hertzsprung's career Jan Oort's lectures on galactic rotation recollections of Willem de Sitter Leiden in the 1930s Paul Ehrenfest's colloquium series continued research with Hertzsprung during the 1930s contact with Gerard Kuiper research on Delta Cephei, dynamical parallaxes, and energy distributions in stellar spectra Leiden Ph.D. Disclaimer: This transcript was scanned from a typescript, introducing occasional spelling errors. Please bear in mind that: 1) This material is a transcript of the spoken word rather than a literary product 2) An interview must be read with the awareness that different people's memories about an event will often differ, and that memories can change with time for many reasons including subsequent experiences, interactions with others, and one's feelings about an event. Please contact us for information about accessing these materials. For many interviews, the AIP retains substantial files with further information about the interviewee and the interview itself. If this interview is important to you, you should consult earlier versions of the transcript or listen to the original tape. The AIP's interviews have generally been transcribed from tape, edited by the interviewer for clarity, and then further edited by the interviewee. This transcript is based on a tape-recorded interview deposited at the Center for History of Physics of the American Institute of Physics. This transcript may not be quoted, reproduced or redistributed in whole or in part by any means except with the written permission of the American Institute of Physics.
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