TheCodeBreakers
occur in an American courtroom when one defendant rose, fired two
shots from a revolver to assassinate a compatriot who was testifying for
the government, and was himself killed by a marshal shooting over the
heads of the crowd. In an anticlimax, a jury later found most of the
defendants guilty.
A few months after these Hindu solutions, the British submitted five
short messages to Riverbank for tests. They had been enciphered by a
cipher device invented by J. St. Vincent Pletts of M.I. l(b), the British War
Office cryptanalytic bureau. The machine, to serve in the field, shifted its
cipher alphabet irregularly by means of gears. So highly did the British
regard it that one argument advanced against its adoption was that if the
Germans captured one and adopted it, the Allies would no longer be able
to solve enemy messages! Friedman, however, at once recovered the
keyword CIPHER to one of the mixed alphabets. But he could not seem