The protagonist of a series by this author acquires “some landscapes by Hunt, Sully, and Hart” to begin his massive art collection after his marriage to Lillian Semple. A novel by this author ends with a “souvenir” that echoes its opening chapter by following a family of street preachers at dusk on a summer night. The railcar tycoon Charles Yerkes was fictionalized as Frank Cowperwood (“cooper-wood”) in this author’s Trilogy (10[1])of Desire. In a novel by this author, a hit-and-run by the bellhop Sparser forces the protagonist to flee from Kansas City to Chicago, (10[1])then Lycurgus, New York. The murder of Grace Brown inspired a novel by this author in which Roberta Alden is hit with a camera and drowns in a lake, leading to the execution of Clyde Griffiths. For 10 points, name this author of An American Tragedy. ■END■ (10[1])