Abstract The First Congregation of Israel was formerly organized in 1909 with the objective of building a synagogue on land acquired from the Quincy Mining Company the previous year. Temple Jacob, named after prominent Hancock merchant Jacob Gartner, was built in 1912. The Temple Jacob Collection contains articles of incorporation, bylaws, minutes, financial records, research files, correspondence, and printed ephemera. Much of the material was generated by Harley L. Sachs, former President and...