Hermann von Helmholtz
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Name: Hermann von Helmholtz
Type: person Dates: 1821 – 1894 Events:
Appearing in designs: Hermann von Helmholtz Berlin 8/27/1971 25pf issue=Hermann von Helmholtz 150th Hermann von Helmholtz & diagram of eye Germany 9/8/1994 100(pf) issue=Hermann von Helmholtz death 100th Synonyms: Helmholtz — Helmholtz German Democratic Republic 7/10/1950 10pf dt=scientists (1950) |
Wikipedia article |
