Well, Dr Black Jack is a very interesting character. In stories related to natural matters, he might use his medical skills in situations where nature plays a role. For example, dealing with diseases that are somehow related to environmental factors. He could be treating patients who got sick from natural disasters or something in the natural world that affected their health.
One memorable story could be when Dr Black Jack had to deal with a village where people were getting sick due to contaminated water from a natural spring. He quickly diagnosed the problem and found a way to purify the water using natural elements. Another might be when he used natural remedies from the local flora to treat a strange epidemic that was affecting the wildlife and starting to spread to humans.
The art in Dr Black Jack stories also adds to its charm. The detailed illustrations of the medical procedures, the expressions of the characters, and the overall dark and moody atmosphere really bring the stories to life. The stories also explore themes of life, death, and the value of a human life through the various cases Dr Black Jack encounters.
I'm sorry, I don't actually know the specific real story of Dr Jack Bellifer. There could be many people with this name. Maybe he is a local figure in a certain community, a researcher in a specific field, or someone known within a particular group.