Director and writer
Christopher Nolan averages 8.18, Bob Kane averages 6.43. Apart that suggests 7.31; together they average 8.57, a lift of +1.26.
Lift is the average of their films together minus the mean of their two career averages.
Dot size shows IMDb votes; lines are rolling five-film averages. Films with fewer than 1,000 votes are left out.
 Batman Begins | 2005 | 8.2 | 1.75M | Writer, Director | Writer |
 The Dark Knight | 2008 | 9.1 | 3.24M | Writer, Producer, Director | Writer |
 The Dark Knight Rises | 2012 | 8.4 | 2.03M | Writer, Director, Producer | Writer |
