...a pin would be placed on a word, let us say, the fourth word in line eight; the memory sharp would then be asked what word is in the same spot on page thirty-eight or fifty or any other page; the pin would be pressed through the volume until it reached page thirty eight or page fifty or any other page designated; the memory sharp would then mention the word and it was found invariably correct. he had visualized in his brain the whole talmud; in other words, the pages of the talmud were photographed on his brain. it was one of the most stupendous feats of memory i have ever witnessed and there was no fake about it.