14.05.1679, ЛЕГСТЕР (LOEGSTOER), ЮТЛАНДИЯ - 15.04.1764, КОПЕНГАГЕН
Датский астроном, помощник и преемник О.К.Ремера, профессор Копенгагенского ун-та (с 1714). Предпринял одну из первых попыток определения параллакса звезд. Его имя занесено на карту Луны.
Имел трех сыновей (1712-60, 1718-76, 1728-1812), которые пошли по стопам отца, стали профессорами математики в ун-те и занимались астрономией. Средний из них - Кристиан - 15 лет наблюдал солнечные пятна.
Horrebow, Peder Nielsen
1. Dates Born: Loegstoer, Denmark, 14 May 1679 died, Copenhagen, 15 April 1764
The family were poor fishermen.
Birth: Loegstoer, Denmark
Death: Copenhagen, Denmark
4. Education Schooling: Copenhagen, M.A., M.D.Being extremely poor, he worked his way through grammar school. 1703, Univ. of Copenhagen. Ole Roemer made him his assistant in astronomy. From the rest I assume B.A.
1716, M.A., Univ. of Copenhagen.
1725, M.D., Univ. of Copenhagen.
Affiliation: Lutheran : Lutheran
6. Scientific Disciplines
Subordinate: Mathematics, Physics, Navigation
7. Means of Support
Primary: Academia, Medicine
Secondary: Miscellaneous, Patronage, Government
In school he repaired mechanical and musical instruments and cut seals. He was quite gifted in these activities and was able to support himself.
He was Ole Roemer's assistant for four years (1703-7). He lived in Roemer's home.
1707-11, household tutor to Baron Fredrik Krag at Stensballegaard in Jutland.
1711, took modest governmental position as excise writer (some sort of position with the tax inspector). 1714, professor of mathematics and director of the observatory, Univ. of Copenhagen. Apparently he remained in this position for the rest of his life. Roemer had died in 1710; perhaps he no longer held those positions, for a Lars Schive, who died in 1711, was the incumbent. Horrebow had great trouble obtaining the post because he was the son of a poor fisherman and a minor civil servant who had not travelled abroad and knew very little German. He appealed repeatedly to the king, sending him samples of his work and was finally rewarded.
1720, academic notary (academischer Notarius).
1722, member of the university Consistorium. 1725, M.D. He had been practicing medicine since 1719; the degree made the practice legitimate.
Types: Scientist, Court Official, Government Official
After having worked for Roemer, Horrebow was extremely loyal, and devoted much of the later part of his life to describing Roemer's scientific acheivements after a fire which destroyed all his papers and observations in 1728.
Without the favor of the king, he would not have been appointed professor and director of the observatory. He received a special grant of 300 rdl from the government to repair the observatory and instruments after the fire.
Horrebow's own papers and instruments were destroyed in the fire of 1728. A patron, Vincents Lerche, a wealthy government official, gave him books, allowed him access to Lerche's library, and had the planet machine in the observatory repaired.
9. Technological Involvement Types: Navigation, Cartography, Instruments, Medical Practice
Wrote on navigation.
He invented a way to determine a place's latitude from the stars. The method was soon forgotten despite its value until it was reinvented by the American astronomer Andrew Talcott in 1833. The method now bears both names.
He learned how to correct inherent flaws in instruments long before Tobias Mayer introduced his theory of correction in 1756.
He did in fact practice medicine in order to support his twenty children.
10. Scientific Societies Memberships: Acadщmie Royal des Sciences, Berlin Academy Member of the Acadщmie (1725), the Berlin academy (date uncertain), and Videnskabernes Selskab (Society of Scientists in Denmark) in 1747.
Sources 1.C.J. Bougine, Handbuch der allgemeine Literatur-Geschichte (Zurich, 1789). [PN551.B758] Kr.P. Moesgaard, "Horrebow," Dansk Biografisk Leksikon, 6 (Copenhagen: Gyldendal, 1979), 573-74 [ref. CT1263.D33 1979 v.6] V.Ingerslev, Denmarks Laeger og Laegevaesen, (Copenhagen, 1873- 4), pp. 161-4.
Compiled by: Richard S. Westfall Department of History and Philosophy of Science Indiana University
The Galileo Project Development Team: firstname.lastname@example.org
РОЖДЕНИЕ РЕБЕНКА, 17.09.1712, КОПЕНГАГЕН
Хорребоу Нильс - проф. мат. и астроном.
РОЖДЕНИЕ РЕБЕНКА, 15.04.1718, КОПЕНГАГЕН
Хорребоу Христиан - проф. мат. и астроном. 15 лет наблюдал солнечные пятна. Занимался метеорологией. Женился 25.10.1754. Умер 19.09.1776 в Копенгагене.
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