Jack Kirby typically didn't color his comics. His genius lay in bringing the characters and stories to life through his illustrations. The coloring was a separate part of the production process that was often entrusted to specialized colorists.
Jack Kirby wrote a vast quantity of comics. His contributions to the comic industry are immense. The exact count can vary depending on how you classify and count his works, but it's definitely a notable number.
Well, the number of comics Jack Kirby drew in a month wasn't fixed. It could range from a few to quite a lot, depending on various factors like his creative flow and deadlines.