 After severing his official connections, he awaited an opportunity to fulfill his long-cherished dream of travel.Humboldt was able to spend more time on writing up his research.He had used his own body for experimentation on muscular irritability, recently discovered by Luigi Galvani and published his results, (Berlin, 1797) ("Experiments on Stimulated Muscle and Nerve Fibres"), enriched in the French translation with notes by Blumenbach.