Raymond Smith Dugan (May 30, 1878 – August 31, 1940) was an American

astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, natural satellite, moons, comets and galaxy, g ...

and discoverer of minor planets. His parents were Jeremiah Welby and Mary Evelyn Smith and he was born in Montague in the U.S. state of Massachusetts. His undergraduate and Masters was from

Amherst College Amherst College ( ) is a private liberal arts college in Amherst, Massachusetts. Founded in 1821 as an attempt to relocate Williams College by its then-president Zephaniah Swift Moore, Amherst is the third oldest institution of higher educatio ...

Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...

in 1899 and 1902. Dugan then received his Ph.D. dissertation in 1905 at the '' Landessternwarte Heidelberg-Königstuhl'' (Königstuhl Observatory, near Heidelberg) at the

University of Heidelberg } Heidelberg University, officially the Ruprecht Karl University of Heidelberg, (german: Ruprecht-Karls-Universität Heidelberg; la, Universitas Ruperto Carola Heidelbergensis) is a public research university in Heidelberg, Baden-Württemberg, ...

.Landessternwarte Dissertation List
at www.lsw.uni-heidelberg.de At the time, the observatory at Heidelberg was a center of

asteroid An asteroid is a minor planet of the inner Solar System. Sizes and shapes of asteroids vary significantly, ranging from 1-meter rocks to a dwarf planet almost 1000 km in diameter; they are rocky, metallic or icy bodies with no atmosphere. ...

discovery under

Max Wolf Maximilian Franz Joseph Cornelius Wolf (21 June 1863 – 3 October 1932) was a German astronomer and a pioneer in the field of astrophotography. He was the chairman of astronomy at the University of Heidelberg and director of the Heidelberg-K� ...

. During Dugan's stay there, he discovered 16

s between 1902 and 1904, notably including 511 Davida. He was employed by

Princeton University Princeton University is a private university, private research university in Princeton, New Jersey. Founded in 1746 in Elizabeth, New Jersey, Elizabeth as the College of New Jersey, Princeton is the List of Colonial Colleges, fourth-oldest ins ...

as an instructor (1905–1908), assistant professor (1908–1920), and professor (1920—). He married Annette Rumford in 1909. Dugan co-wrote an influential two-volume textbook in 1927 with

Henry Norris Russell Henry Norris Russell ForMemRS HFRSE FRAS (October 25, 1877 – February 18, 1957) was an American astronomer who, along with Ejnar Hertzsprung, developed the Hertzsprung–Russell diagram (1910). In 1923, working with Frederick Saunders, he d ...

and

John Quincy Stewart John Quincy Stewart (September 10, 1894 – March 19, 1972) was an American astrophysicist. He obtained his Ph.D. in physics from Princeton University in 1919. He taught astrophysics at Princeton from 1921 until he retired in 1963. Stewart ...

called ''Astronomy: A Revision of Young’s Manual of Astronomy'' (Ginn & Co., Boston, 1926–27, 1938, 1945). This became the standard astronomy textbook for about two decades. There are two volumes: the first is ''The Solar System'' and the second is ''Astrophysics and Stellar Astronomy''. The lunar crater ''

Dugan Dugan or Duggan ( ga, Uí Dhúgáin) is an Irish surname derived from Ó Dubhagáinn. History A family of the name Dugan had its territory near the modern town of Fermoy in north Cork, and were originally the ruling family of the Fir Maighe ...

'' and the main-belt asteroid

2772 Dugan 77 may refer to: * 77 (number) * one of the years 77 BC, AD 77, 1977, 2077 Music * 77 (band), a Spanish hard rock band * ''77'' (Matt Kennon album) * '' Talking Heads: 77'', debut album by Talking Heads * ''77'' (Nude Beach album), an album by t ...

are named in his honour.

References

External links

Amherst College Class of 1899

List of Dissertations at the Landessternwarte Heidelberg-Königstuhl
{{DEFAULTSORT:Dugan, Raymond Smith 1878 births 1940 deaths American astronomers Amherst College alumni Discoverers of asteroids * People from Montague, Massachusetts

See also

References

External links