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Johan Ludvig Emil Dreyer: Quick Facts

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Facts

Born February 13, 1852 • Copenhagen • Denmark
Died September 14, 1926 (aged 74) • Oxford • England

Photos

Johan Dreyer, c. 1910
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Engraving of six astronomers, with Hipparchus seated at center and, from left to right, Galileo, Johannes Hevelius, Tycho Brahe, Nicolaus Copernicus, and Ptolemy standing, each holding scientific instruments.
Hipparchus
Greek astronomer
William Herschel
William Herschel
British-German astronomer
How did Ptolemy explain retrograde motion?
Ptolemy
Egyptian astronomer, mathematician, and geographer
Edmond Halley
Edmond Halley
British scientist
John Herschel
Sir John Herschel, 1st Baronet
English astronomer
Annie Jump Cannon
Annie Jump Cannon
American astronomer
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Benjamin Apthorp Gould
American astronomer
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John Flamsteed
British astronomer
Otto Heckmann at the European Southern Observatory's (ESO's) one-metre Schmidt telescope at La Silla, Chile, 1971.
Otto Heckmann
German astronomer
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Frank Schlesinger
American astronomer
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Jacobus Cornelius Kapteyn
Dutch astronomer
Johannes Hevelius.
Johannes Hevelius
Polish astronomer
Argelander, Friedrich Wilhelm August
Friedrich Wilhelm August Argelander
German astronomer
William Wallace Campbell
William Wallace Campbell
American astronomer
Pickering, Edward Charles
Edward Charles Pickering
American physicist and astronomer
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Charles Messier
French astronomer
Orion
Johann Bayer
German astronomer
Lacaille, detail from an engraving
Nicolas Louis de Lacaille
French astronomer
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Lewis Boss
American astronomer
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Johann Elert Bode
German astronomer

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