Figure 20  Mausoleum, Perth Amboy, New Jersey, 1920. Terracotta. H. approx. 144". Karl Mathiasen was a motivating force behind the development of New Jersey’s terracotta industry. A Danish immigrant, he worked as a potter for Alfred Hall after coming to America. Later, he worked for terracotta manufacturer Robert Taylor in Boston, and subsequently at the Perth Amboy Terracotta Company. In 1888 he and his brother-in-law Otto Hansen founded their own firm. In 1893 it became the New Jersey Terracotta Company, later part of Federal Seaboard. His mausoleum, which appears to be made from granite is, of course, terracotta.