Jacobus cornelius kapteyn biography of rory
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Kapteyn, Jacobus Cornelius
(b. Barneveld, Netherlands, 19 January 1851; d. Amsterdam, Netherlands, 18 June 1922)
astronomy.
Kapteyn was the ninth of fifteen children of G.
J. Kapteyn and E. C. Koomans, who conducted a boarding school for boys in Barneveld. Many of these children were extraodinarily gifted in science.
Jacobus cornelius kapteyn biography of rory
As a boy Kapteyn showed outstanding intellectual ability and curiosity. At the age of sixteen he passed the entrance examination for the University of Utrecht, which, however, his parents judged him too young to enter until the following year.
He studied mathematics and physics and obtained the doctor’s degree with a thesis on the vibration of a membrane. Kapteyn was interested in many branches of science, and it was mostly through his accepting (1875) a position as observator at the Leiden observatory that he began his career in astronomy.
In 1878, at the age of twerntyseven, he was elected to the newly instituted chair of astronomy and thoerectical mechanics