| Moted: | 1930 Essen |
| Deadam: | 10 febul 2025 |
| Cal(s): | historian of technology[*],hijenavan[*],mechanical engineer[*] |
| Tatät(s): | Deutän |
HielOtto Mayr (pämotöl tü1930novul 2 inEssen,Nolüdarinän⸗Vesfalän – ädeadöl tü2025febul 10 inLindau[1]) äbinom jenavan ä kaenalDeutänik.