Jan van Vianen after Holbein, from The Praise of Folly In The Three Christs of Ypsilanti , a famous account of psychosis recently reprinted by NYRB , the social psychologist Milton Rokeach puts three institutionalized schizophrenics, each of whom claims to be Christ, into shared quarters and coaxes them into daily conversations. He hopes that setting one delusion against another will dissolve them, because, in the words of the psychoanalyst Robert Linder, “it is impossible