(AP)  — A. P. Tureaud Jr. was only 17 years old in 1953 when he became the first black student to enroll at LSU.During a forum on campus this weekend, Tureaud said many of his memories were unpleasant. He said white students refused to speak to him and some beat on his dormitory wall. Professors refused to acknowledge his presence in their classrooms or to even touch his homework papers.Tureaud was one of the speakers at the forum Saturday hosted by LSU’s A.P. Tureaud Sr. Black Alumni Chapter.