Definition that contains red cent
- humboldt German naturalist who explored Central and South America and provided a comprehensive description of the physical universe (1769-1859)
- baron alexander von humboldt German naturalist who explored Central and South America and provided a comprehensive description of the physical universe (1769-1859)
- baron friedrich heinrich alexander von humboldt German naturalist who explored Central and South America and provided a comprehensive description of the physical universe (1769-1859)