Siemion Fajtlowicz
Siemion Fajtlowicz is a Polish-American mathematician, formerly a professor at the University of Houston. He is known for creating and developing the conjecture-making computer program Graffiti.
Fajtlowicz received his Ph.D. in 1967 or 1968 from the Institute of Mathematics of the Polish Academy of Sciences, under the supervision of Edward Marczewski.