Ejnar Hertzsprung
![Hertzsprung (right) and [[Karl Schwarzschild]] in front of the Göttingen Observatory building (1909)](https://upload.wikimedia.org/wikipedia/commons/7/75/Karl_Schwarzschild_and_Ejnar_Hertzsprung_%281909%29.jpg)
1
Published: 1983
Superior document: Ostwalds Klassiker der exakten Wissenschaften 255
2
Published: [2013]
Superior document: Title is part of eBook package: De Gruyter HUP e-dition: Complete eBook Package
Links: Get full text; Get full text; Cover