In his 1989 autobiography, Kane detailed Finger's contributions to Batman's creation: One day I called Bill and said, 'I have a new character called the Bat-Man and I've made some crude, elementary sketches I'd like you to look at.'
Kane trong cuốn tự truyện năm 1989 của mình đã nói rõ thêm về đóng góp của Finger trong việc sáng tạo ra Batman: One day I called Bill and said, 'I have a new character called the Bat-Man and I've made some crude, elementary sketches I'd like you to look at'.