Who directed 'Born on the Fourth of July' (1989)?

In what year was 'Platoon' released? Who directed 'Wall Street' (1987)? In what year was 'Wall Street' released? Who directed 'JFK' (1991)? Who directed 'Field of Dreams' (1989)? In what year was 'Field of Dreams' released? Who directed 'Bull Durham' (1988)? Who directed 'Hoosiers' (1986)?