A particularly difficult time was approaching, however, which would have a major effect on his life and that of Hanna von Caemmerer who later became Hanna Neumann after they married.
Ang isang partikular na oras ay mahirap na, gayunpaman, na kung saan ay may isang malaking epekto sa kanyang buhay at ng Hanna von Caemmerer na mamaya ay naging Hanna Neumann pagkatapos nilang kasal.