Setsuro Ebashi MJA ForMemRS (江橋 節郎, Ebashi Setsurō; 31 August 1922 Tokyo – 17 July 2006 Okazaki) was a prominent Japanese physiologist who uncovered the regulatory role of calcium in cells. He is famous for the discovery of troponin in 1965, which is integral to muscle contraction, as well as for the contribution of diagnosis of muscular dystrophy.
Source: “Setsuro Ebashi”, English Wikipedia (CC BY-SA 4.0), excerpt