Who directed 'Spotlight' (2015)?

Who directed 'The Artist' (2011)? In what year was 'The Artist' released? Who directed '12 Years a Slave' (2013)? In what year was '12 Years a Slave' released? In what year was 'Spotlight' released? Who directed 'Green Book' (2018)? In what year was 'Green Book' released? Who directed 'Dumb and Dumber' (1994)?