Fred Wright
From Tardis Wiki, the free Doctor Who reference
Fred Wright provided the studio lighting for the Doctor Who television stories Black Orchid, Earthshock and Enlightenment. He had earlier been the uncredited technical manager on The Ark (INFO: The Ark), The Krotons (INFO: The Krotons), The War Games (INFO: The War Games), The Curse of Peladon (INFO: The Curse of Peladon) and The Hand of Fear. (INFO: The Hand of Fear)
He was also the lighting for the untitled sketch in The Lenny Henry Show.