Recto – George Caleb Bingham Shubael Allen (1793- 1841) was New York native and a civil engineer. Before moving to Missouri by 1818, he helped build bridges in Pennsylvania and Kentucky. In 1822, in Boonville, Missouri, he married Dinah Ayers Trigg. They moved to Missouri’s western frontier where for several years they shared a dog trot cabin with Dinah’s sister …