Herman Ehrenberg
![1845 Map of Honolulu drawn by Ehrenberg](https://upload.wikimedia.org/wikipedia/commons/1/15/Outline_of_Honolulu_in_1845.jpg)
A native of Germany, Ehrenberg joined the military volunteer unit the New Orleans Greys and fought against Mexico in the Texas Revolution. His memoirs of the Revolution were published in Germany in the 1840s and translated into English in the 20th century.
Ehrenberg created the first map of the Gadsden Purchase. Ehrenberg, Arizona, is his namesake. Provided by Wikipedia
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