was a Japanese engineer who, in 1968 along with M. Matsuishi, developed the rainflow-counting algorithm for fatigue analysis of structures while a visiting professor at the University of Illinois. Bibliography Murakami, Y. (1992) The Rainflow Method in Fatigue: The Tatsuo Endo Memorial Volume 1925 births 1989 deaths Japanese civil engineers Japanese metallurgists University of Illinois Urbana-Champaign faculty Japanese expatriates in the United States