Coldstream
Lawrence Gowing, 19 March 1987
“... Coldstream’s time at the GPO Film Unit was coming to an end, but his association with John Grierson had a lasting effect. I cannot remember if I became aware of the doctrine at the pub or at the Group Theatre Film School where I first heard Coldstream teach with typically paradoxical practicality. Grierson held it to be naive as well as wicked to ... ”