(Before It's News)
According to the Northfield Historical Society, Wheeler “cemented himself in Northfield history when he grabbled a rifle and fired at James-Younger Gang members during their attempted bank robbery in 1876. His shots killed Clell Miller and wounded Bob Younger. Wheeler, a graduate of Carleton College's Preparatory Department, was studying medicine at the time and would later graduate from the University of Michigan.”
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Source:
http://gunwatch.blogspot.com/2016/09/mn-northfield-commemorates-armed.html