. . . certain of its other features, details of substance and items of information, were, let us say, "modified" by a new method, an alchemysterious treatment, a technique of genius, "still not understood elsewhere," as the chaps in the lab tactfully expressed people's utter unawareness of a discovery that might have saved countless fugitives and secret agents.
--Vladimir Nabokov, 1974, Look at the Harlequins! p. 205