Michael Ian Shamos (born April 21, 1947) is an American mathematician, attorney, book author, journal editor, consultant and company director.
He is (with Franco P. Preparata) the author of Computational Geometry (Springer-Verlag, 1985), which was for many years the standard textbook in computational geometry, and is known for the Shamos–Hoey sweep line algorithm for line segment intersection detection and for the rotating calipers technique for finding the width and diameter of a geometric figure.
His publications also include works on electronic voting, the game of billiards, and intellectual property law in the digital age.
He won the first annual Black & White Scotch Achiever's Award in 1991 for contributions to bagpipe musicography, and the Industry Service Award of the Billiard and Bowling Institute of America, 1996, for contributions to billiard history.
Michael Shamos is the Director of the MS in Artificial Intelligence and Innovation program at Carnegie Mellon University.