Neurological stamp. Hermann von Helmholtz (1821-94)
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Germany↗
Biomedical subjects
L F Haas
Publications and source records attributed to L F Haas.
Jean Baptiste van Helmont (1577-1644).
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Belgium↗
Crawford Williamson Long (1815-78).
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Anesthesia↗
Neurological stamp: Wilhelm Griesinger (1817-68).
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Germany↗
Frans Cornelius Donders (1818-89).
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History, 19th Century↗
Karl Friedrich Gauss (1777-1855).
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Germany↗
Allesandro Volta (1745-87).
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Electricity↗
Jean Baptiste van Helmont (1577-1644).
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Belgium↗
Paul Ferdinand Gachet (1828-1909).
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Famous Persons↗
Thymus serpyllum (wild thyme).
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Bulgaria↗
Neurological stamp. Valeriana officinalis (garden heliotrope).
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Czechoslovakia↗
Pedanius Dioscorides (born about AD40, died about AD90).
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Algeria↗
St Apollonia (died about AD 249).
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History of Dentistry↗