Who directed 'Hidden Figures' (2016)?

Who directed 'Darkest Hour' (2017)? In what year was 'Darkest Hour' released? Who directed 'The Theory of Everything' (2014)? In what year was 'The Theory of Everything' released? Who directed 'Selma' (2014)? Who directed 'The Help' (2011)? In what year was 'The Help' released? Who directed 'Precious' (2009)?