By Brian Roewe for Earthbeat.Broadcast version by Deborah Van Fleet for Missouri News Service for the Solutions Journalism Network-Public News Service Collaboration. The oldest building at Rockhurst University is now the greenest on campus. When the doors of Sedgwick Hall first opened in 1914, the four-story, stone-block structure along Troost Avenue housed the college, the high school and residence for the Society of Jesus at the Jesuit institution here in Kansas City. ...