Mervyn Haisman
From Tardis Wiki, the free Doctor Who reference
Mervyn Haisman (15 March 1928-29 October 2010) and Henry Lincoln wrote DW: The Dominators (under the pseudonym Norman Ashby), DW: The Abominable Snowmen, and DW: The Web of Fear.
With Lincoln, he created the character of Brigadier (then Colonel) Alistair Gordon Lethbridge-Stewart.