Leadership is understanding people and involving them to help you do a job. That takes all of the good characteristics, like integrity, dedication of purpose, selflessness, knowledge, skill, implacability, as well as determination not to accept failure.
Even when I illustrate multiple articles on the same person, the focus of the pieces are never the same, so I automatically get to reflect different ideas. But it doesn't mean that it's not a painful process. There are some really late nights.