TheCodeBreakers
protagonists of his great Ulysses.* It was in 1918 that Byrne hit upon the
principle
*It may not be coincidence that in Ulysses an inventory of Mr. Leopold
Bloom's locked private drawer at 7 Eccles Street included, among other
things, "3 typewritten letters, addressee, Henry Flower, c/o P.O.
Westland Row, addresser, Martha Clifford, c/o P.O. Dolphin's Barn: the
transliterated name and address of the addresser of the 3 letters in
reversed alphabetic boustrephodontic punctuated quadrilinear
cryptogram (vowels suppressed) N.IGS./WI.UU.OX/ W.OKS.MH/Y.IM: . ..."
"Quadrilinear" meant to set the cipher in four lines; "reversed alphabetic"
indicated the key of a = z, b = Y, etc.; "boustrephodontic," an adjective
concocted from the adjective "boustrephodon," a technical term in
paleography referring to writing that runs left and right in alternate lines,
indicating that the lines of the cryptogram were to be read in that way.