Worked under Joseph Fraunhofer (1787-1826), Utzschneider (1763-1840) & Reichenbach (1772-1826) at Optical-Mechanical Institute, Benediktbeuern, Munich. After death of Fraunhofer ran business (p.1826-39) with Joseph Mahler, then in partnership (1845-67) with sons Ludwig (1816-1858) and Sigmund (b.1824)