Johann Spurzheim

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Science and technology

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What Wikipedia says

Johann Gaspar Spurzheim (31 December 1776 – 10 November 1832) was a German medical doctor who became one of the chief proponents of phrenology, which was developed c. 1800 by Franz Joseph Gall (1758–1828).

Excerpt from the Wikipedia article “Johann Spurzheim”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Alvan Fisher, Public domain, via Wikimedia Commons.