attributed to a 1941 speech of Lord Beaverbrook, British Minister of Aircraft Production, which included the words: ‘Now who is responsible for this work of development on which so much depends? To who must the praise be given? To the boys in the back rooms. They do not sit in the limelight. But they are the men who do the work.’ He was possibly alluding to the 1939 film Destry Rides Again, which included a song ‘See what the boys in the backroom will have’