Education
In 1903, Hardgrove graduated from Oshkosh Normal School (now University of Wisconsin–Oshkosh).
In 1903, Hardgrove graduated from Oshkosh Normal School (now University of Wisconsin–Oshkosh).
Born in Fond du Lac, Wisconsin, Hardgrove worked in the cooper trade. He then was principal of a school in Tigerton, Wisconsin and helped organized the Tigerton High School. Hardgrove then became principal of the Manawa High School in Manawa, Wisconsin.
Hardgrove received his medical degree from Marquette University Medical School in 1916 and then practiced medicine in Eden, Wisconsin.
Hardgrove served as President of the Fond du Lac Rural Normal School Board and was a Democrat. In 1933, Hardgrove served in the Wisconsin State Assembly.
In 1953, Hardgrove died at the house of a daughter in Shawano, Wisconsin.