Thak was an Andorian chargé d'affaires and top scientist. In 2287, he was part of a team embarked on the USS Enterprise -A to make second contact with the Calligar. His life was saved by Dorkin. Thak later wrote a popular musical play about the Calligar that won him the Zankar-Bowles Prize for Creative Fiction. (TOS novel: The Rift)