Shigeru Iitaka (飯髠è Iitaka Shigeru, born May 29, 1942, Chiba) is a Japanese mathematician at Gakushuin University working in algebraic geometry who introduced the Kodaira dimension, and Iitaka dimension. He was a world leader in the field of Algebraic geometry.
He received his Ph.D. in 1970 from the University of Tokyo under Kunihiko Kodaira with thesisãÂÂ代æ°å¤Âæ§Âä½Âã®D-次å Âã«ã¤ãÂÂã¦ãÂÂ(On D-dimensions of algebraic varieties). He was awarded the Iyanaga Prize of the Mathematical Society of Japan in 1980 and the Japan Academy Prize in 1990.