L. T. Stone

Stone was the name of a Starfleet officer who served during the 23rd century.

Captain Stone was one of the few people to attain the position of starship commanding officer before he went on to serve in the operations division as the portmaster of Starbase 11. It was in this position he presided over the court martial of James T. Kirk in the 2260s. (TOS episode: "Court-Martial")

He was later promoted to admiral. (TOS comic: "Action of the Tiger"

Background
According to the Star Trek Concordance, Stone's initials are L.T. This information is possibly from an early draft of the script. In the novel "Vulcan!", Stone's first name is established as David. "Cloak" differs and calls him Aaron Stone.