Sir Barnes Wallis CBE became a household name after the hit 1954 film The Dam Busters in which Michael Redgrave portrayed a shy, slightly abstracted genius at odds with bureaucracy. Yet this was a simplified picture of a complicated, mercurial man. Wallis' contribution to British aircrafts and weapons is legendary; from the R100 intercontinental airship and innovative aircrafts like the Wellesley and Wellington, to bombs that destroyed hitherto invulnerable...