I have a photographic memory / Paul R. Halmos. Halmos, Paul R. (Paul Richard), 1916-2006. Mathematicians Portraits. Mathematics History Pictorial works. QA28 .H345 1987 510.922 19 HAI Includes index. Providence, R.I. : American Mathematical Society, 1987. 1987. 1987 Text [326] p. : eng