Yasutomi Nishizuka, MJA, ForMemRS (?? ??, Nishizuka Yasutomi, July 12, 1932 – November 4, 2004)
was a prominent Japanese biochemist and made important contributions to the understanding of molecular mechanism of signal transduction across the cell membrane.
In 1977, he discovered protein kinase C, which plays significant roles in a variety of intracellular signal transduction processes.He was elected as a foreign member of the Royal Society (ForMemRS) in 1990 and as a member of the Japan Academy (MJA) in 1991.