Treatment FOCUS: A Violin-maker's Workbook
Several waves of German-speaking immigrants settled in Pennsylvania in the 19th century. This included the Martins, founders of C.F. Martin & Co., a world-renowned company that has made instruments in the Nazareth area of eastern Pennsylvania for almost 200 years.
One of the members of the Martin family was Christian Frederick Hartmann, cousin of C.F. Martin Sr., and prominent figure in the family business. Hartmann also made violins.