Summersby
From Tardis Wiki, the free Doctor Who reference
Dr Summersby was Cornelius Perkins' deputy in his expedition into the Amazon rainforest to find the lost city of the Maygor tribe. He was in charge of communicating with the bearers. They found a crashed spaceship on a cliff. He was then captured by the Maygor tribe and executed by Godrin. (AUDIO: The Valley of Death)