The deans of the University of Cincinnati law, medical and engineering schools are stepping down. The school's two provosts announced the changes but gave no reason for them. University spokesman Greg Hand says all three will remain on the faculty and that neither curriculum nor class schedules will be affected. Joseph Tomain has led UC's law school for 15 years. He said Friday he would step down from that role on October first. College of Medicine Dean William Martin announced is immediate resignation on Thursday. They follow College of Engineering Dean Stephen Kowel, who gave up his post in June after five years. Interim leaders have been named for the engineering and medical programs. University President Nancy Zimpher took over in May, at which time she announced a new strategic plan.