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Ejnar Hertzsprung was bor in 1873.
Ejnar Hertzsprung died on 1967-10-21.
Ejnar Hertzsprung was born on 1873-10-08.
Ejnar Hertzsprung has written:
'Zur Strahlung der Sterne' -- subject(s): Radiation, Spectra, Stars
Ejnar Hertzsprung and Henry Russell H for Hertzsprung and R for Russell