Richard Mark Clarkson, 61, died at 2:23 p.m. Friday, July 2, 2021 at Barnes Jewish Hospital in St. Louis, MO. Born February 19, 1960 in Alton, he was the son of Bette Anne (Seymour) Clarkson of Godfrey and the late Harold Lloyd Clarkson. Mr.... View Obituary & Service Information