Hertzsprung long Ejnar male 08.10.1873 gregorian 2405440 1873-10-08 AD 2405440 1873-10-08 AD 1909 - 1909 gregorian 2418308 1909-01-01 AD 2418672 1909-12-31 AD Außerordentliche*r Professor*in für Astronomie 1909 - 1909 gregorian 2418308 1909-01-01 AD 2418672 1909-12-31 AD Dr. phil. Titularprofessor*in Potsdam HM, LQ 2026-04-15T06:52:21.696Z 2026-05-21T14:53:32.340Z