Matzen studied at the Academy of Fine Arts in Munich and the Academy of Fine Arts in Berlin before immigrating to the United States.  After moving first to Detroit he ultimately settled in Cleveland.
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- "Matzen, Herman N. - The Encyclopedia of Cleveland History". ech.case.edu. Retrieved 2012-12-23.
- Opitz, Glenn B., Mantle Fielding's Dictionary of American Painters, Sculptors & Engravers, Apollo Books, Poughkeepsie, NY, 1988
- Vigil, Vicki Blum, photographs by Gale V Flament ‘’Cleveland Cemeteries: Stones, Symbols & Stories’’, Gray and Company, Publishers, Cleveland, 1999 p. 107