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history:directors

Directors Leiden Observatory and landmarks

Jaar Naam Remark
17 juli 1575 Gerard Bont mathematics, medicine
1 okt 1587 Rudolph Snel v. Royen sr.
1609-1626 Willebrord Snel v. Royen jr. (Snellius)triangulation Netherlands
1629-1667 Jacob Gool +night assistent; teaching, popularisation
1633/1634 Observation platform on Academy:
start of the observatory
1638 Georg MarkgrafEstablishes first European-style observatory in the America's in Recife
1654 Huijgensobserves Saturn
1668-1682Christiaan Meldermathematics
1682-1705Buchardus de Volderacquires lenses, mirror, clocks, sextant
1705-1708Lutharius Zumbach de Croesveld a.i. leaves for Kassel
1708-1717 brother Mussenbroek maintains instruments
1710 gift Sphaera planetarium
Up to this time
there are no telescopes
present in the observatory.
1717-1742 Willem Jacob ’s Gravensande physics + explicitly astronomy
1734 reflector Hearnes, pass. instr. Sisson, heliostaat.
1740 meridian transit circle
Ass. La Bordes, Petrus van Mussenbroek, physics
1742-1769 Johan Lulofsvenus_overgang_1761_lulofs.jpg
1763 J.A. Fas lector tot 1817, sometimes a.i.
1769-(1805) Dyonisius v.d. Wijnpersse
1793-1794 Pieter Nieuwland
1799-1805 Frederik v. Beeck Calkoen leaves for Utrecht
1811-1826 C. Ekama from the closed Franeker University
1823 reflector Roelof&Rienks
1826-1837 P.J. Uylenbroek physics
1837-1861 F. Kaiser
1835 comet of Halley
1837 director, acquires 6”, transit telescope, universal instrument, clocks
1853-1856 J.A.C. Oudemans assistant Kaiser
1857 Kaiser becomes Rector Magnificus Verficatie Rijks Zee-Instrumenten (now MEOB)
1859 National Time Service
1861 Opening of new Sterrewacht
(transit circle, 18 cm refractor)
1872 W. Valentiner a.i.
1872-1908H.G. v.d. Sande Bakhuyzen
1883 Verificatie leaves Sterrewacht building
1874 heliometer 8½ cm for Reunion, 1893/98 Zenith telescope
1878 Heliometer building
1885 10”
1898 astrograph (Fotograaf)
1898 zenithtelescoop (Talcott)
1908-1918 E. F. v.d. Sande Bakhuyzen
1918-1934 W.de Sitter Student of Kapteyn Astrononmical Institute Groningen
Fotograaf used for photometry
1924 renovation, addition of small domes East and West
1923 contract Unie Sterrewag S.A., Franklin Adams telescope
1930 Boerhaave museum
1935-1945 E. Hertzsprung
1938/50 Rockefeller telescope S.A.
1938 Fotograaf used for astrometry
1945-1970 J. Oort
1958 Light Collector (90 cm refractor) Hartebeestpoortdam S.A.
1962 ESO established (Chili)ESO had more than half time a Leiden director:
1970 Blaauw, 1975 Woltjer, 1988 vd Laan, 2007 de Zeeuw
1964 ESRO established
1979 La Palma, Isaac Newton telescope Canary Islands
1975 ESA established (absorbed ESRO)
history/directors.txt · Last modified: by 127.0.0.1