He quit the Iowa project after five months, claiming his design was not followed, but the resemblance to the Illinois capitol suggests he strongly influenced the final Iowa design. One surviving 1839 sketch of the proposed capital shows a radically different layout, with two domes and a central tower.
He left the Iowa project after five months, citing his design was not implemented as intended, but the resemblance to the Illinois capitol suggests he had a significant impact on the final design for Iowa's capitol building. A 1839 sketch of the proposed capital shows a drastically different layout with two domes and a central tower.