Michael Sela (Hebrew: מיכאל סלע; Mieczysław Salomonowicz; 2 March 1924 – 27 May 2022) was an Israeli immunologist of Polish Jewish origin.

[2] Michael Sela was born as Mieczysław Salomonowicz in Tomaszów Mazowiecki, Poland, on 2 March 1924.

This work of Sela has led to the discovery of the genetic control of the immune response, as well as to the design of vaccines based on synthetic molecules.

He was among the first who introduced the use of linear and branched synthetic polypeptides as antigens, and this brought about a better understanding of immunological phenomena.

He is probably best known as the co-developer (with Ruth Arnon and Dvora Teitelbaum) of the multiple sclerosis drug copaxone.