used in Synchrotron facilities. In the '80s, he came back to the goal of achieving lensless imaging, which he pursued the rest of his life. References External links Obituary: David Sayre (1924–2012) Crystallographer who pioneered methods of X-ray imaging and modern computing, by Janos Kirz and Jianwei Miao, Nature journal, Volume 484 Number 7392, p. 34, April 2012. Obituary: David Sayre (1924–2012), by Jenny P. Glusker, Acta Crystallographica, Volume 68, p. 1–2, May 2012. Obituary of David Sayre (1924-2012), by Janos Kirz, Physics Today DOI:10.1063/PT.4.1769 Link to David Sayre's Memoir written by himself 1924 births 2012 deaths Alumni of the University of Oxford 20th-century American mathematicians 21st-century American mathematicians American physicists Fortran Scientists from New York City Programming language designers Programming language researchers Yale University alumni Mathematicians from New York (state) Presidents of the American Crystallographic Association