Who directed 'The Martian' (2015)?

Who directed 'Aliens' (1986)? In what year was 'Blade Runner' released? Who directed 'Gladiator' (2000)? In what year was 'Gladiator' released? In what year was 'The Martian' released? Who directed 'Thelma & Louise' (1991)? Who directed 'Black Hawk Down' (2001)? Who directed 'American Gangster' (2007)?