1. The boy : Berlin and Brandenburg, 1880-1899
2. The student : Berlin-Heidelberg-Innsbruck-Berlin, 1899-1901
3. The astronomer : Berlin, 1901-1904
4. The aerologist : Lindenberg, 1905-1906
5. The polar meteorologist : Greenland, 1906
6. The Arctic explorer. 1, Greenland, 1907-1908
7. The atmospheric physicist. 1, Berlin and Marburg, 1908-1910
8. The atmospheric physicist. 2, Marburg, 1910
9. At a crossroads : Marburg, 1911
10. The theorist of continental drift. 1, Marburg, December 1911-February 1912
11. The theorist of continental drift. 2, Marburg, February-April 1912
12. The Arctic explorer. 2, Greenland, 1912-1913
13. The soldier : Marburg and "the field," 1913-1915
14. The meteorologist : "in the field," 1916-1918
15. The geophysicist : Hamburg, 1919-1920
16. From geophysicist to climatologist : Hamburg, 1920-1922
17. The paleoclimatologist : Hamburg, 1922-1924
18. The professor : Graz, 1924-1928
19. Theorist and Arctic explorer : Graz and Greenland, 1928-1929
20. The expedition leader : Graz and Greenland, 1929-1930
