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22:(14 May 1863 – 9 September 1928) was a German
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184:. You can help Knowledge (XXG) by
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246:20th-century German astronomers
241:19th-century German astronomers
133:"Hayn, Friedrich Karl Traugott"
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20:Friedrich Karl Traugott Hayn
34:Hayn was born in Auerbach,
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138:Neue Deutsche Biographie
110:Hayn, Friedrich (1897).
66:. In 1897, he published
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48:University of Göttingen
131:Josef Hopmann (1969),
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125:General References
116:. Reichsdruckerei.
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