Though she was never introduced in Star Trek: The Original Series, Dr. McCoy's daughter, Joanna, was mentioned in several Star Trek novels. And had D.C. Fontana's script, "Joanna," been produced ...

McCoy's decision to leave Starfleet was driven by his lack of trust in any other captain. Star Trek’s Doctor McCoy quit Starfleet as a tribute, not an insult, to Captain Kirk. When Star Trek ...