John Angus Mackay

John was Professor Edward Travers companion on his expedition to the Himalayas in 1935. He was killed by a robot yeti when they were sleeping in their camp. Travers caught a glimpse of the furry creature which led him to believe the Second Doctor (wearing his giant shaggy coat) murdered John. (TV: The Abominable Snowmen)

Behind The Scenes
John is named Angus Mackay in the novelisation and the novelisation of The Web of Fear.