| Data | source |
|---|---|
| mother died in his 1st year; negelected by his father; influential in the growth of interest in early-years schooling; also influenced by Fichte and Schelling | Cowan, Steven, 2008 |
| Relationship | according to | ||
|---|---|---|---|
| influenced by |
| ||
| influenced by |
| ||
| influenced by |
| ||
| influenced by |
|