Lewis Price

Lieutenant-Colonel Lewis Price, was an officer of UNIT in the 1980s.

Biography
When the Fifth Doctor requested the Helliax-human hybrid child be taken away in his TARDIS, Price gave him adequate time to leave before UNIT advanced. (AUDIO: The Helliax Rift)

He was in charge of the original expedition to Warlock's Cross. (AUDIO: Warlock's Cross)

Veronica Holmes informed the Fifth Doctor, Vislor Turlough and Alistair Gordon Lethbridge-Stewart that, in addition to Charles Crichton, Price was flying back from Geneva to help deal with the Autons. (AUDIO: The Auton Infinity)

Price called the Doctor back to Earth in his sixth incarnation to investigate a sudden drought affecting Britain. He was captured by the Cybermen and held on their ship, which he escaped along with a Varidian soldier, Atriss. Before he could escape, however, Price was betrayed by the Cybermen's sleeper agent, Daniel Hopkins, who subsequently killed him. (AUDIO: Hour of the Cybermen)

Personality
Price was not fond of the Fifth Doctor. When he was investigating Fallen Kestrel, he was frequently infuriated by the Doctor's unorthodox methods and his constant undermining of his procedures. (AUDIO: The Helliax Rift)