Edward P. Irving House. Frank Lloyd Wright. 1909. Prairie Style. Supervised by Marion Mahony, Hermann von Holst and Walter Burley Griffin. Decatur, Illinois. Source by tinklenberg54 Facebook Twitter Previous post Macon County courthouse in Illinois where Lincoln practiced law Next post Welcome Farm Progess Show Leave a Reply Cancel ReplyName * Email * Website Save my name, email, and website in this browser for the next time I comment.