Dr. Leonard Horatio McCoy. Dr. Leonard Horatio McCoy. Chief medical officer aboard the original starship Enterprise under the command of Captain James Kirk, who gave him the nickname "Bones". As of 2267, McCoy had earned the Legion of Honour, and had been decorated by Starfleet surgeons. He attended the University of Mississippi on Earth. While a student there, he met and had a romance with Emony Dax while she was visiting Earth around 2245 to judge a gymnastics competition. McCoy had been romantically involved with the future Nancy Crater. An unofficial backstory never aired was that McCoy had been married and later undured a bitter divorce, the emotional aftermath of which drove him to leave a private medical practise and join Starfleet. This story was to have been called 'Joanna' and feature McCoy's now-grown daughter, but it was heavily re-written as 'The Way to Eden' instead. Early in McCoy's medical career, sometime after he earned his medical degree, his father David, was struck with a terrible fatal illness. Faced with the prospect of his father suffering a terrible, lingering, painful death, McCoy mercifully "pulled the plug" on him, allowing him to die. He was horrified when, shortly thereafter, a cure was discovered for the affliction. In 2253, McCoy developed a neurosurgical technique to repair a damaged celebral cortex. He also wrote, what would become a classic 24th Century medical text, entitled 'Comparitive Alien Physiology'. He was briefly stationed on planet Capella IV prior to being assigned to the Enterprise in 2266. In 2268, McCoy was diagnosed with terminal Xenopolycythemia but was cured with Yonadan medical knowledge. He retired from Starfleet in 2270, but returned at Kirk's request in 2271. He was wrongly convicted for the murder of Klingon Chancellor Gorkon in 2293, along with Kirk, a conviction later overturned. He was scheduled to retire shortly after the Khitomer Conference, but either changed his mind or later returned to starfleet. As a retired Starfleet admiral, McCoy made an inspection tour of the Enterprise-D in 2364 at the age of 137.