Levon Chailakhyan

Levon Mikhailovich Chailakhyan (, ; 21 June 1928 – 23 February 2009) was a Russian physiologist, biophysicist, and embryologist, also a member of the Russian Academy of Sciences. He was a director of the Institute of Theoretical and Experimental Biophysics of Russian Academy of Sciences, located in Pushchino, Moscow Oblast.

Chailakhyan published more than 450 works in Russian, and other countries around the world, he was also awarded the medal of the All-Russia Physiological Society. Chailakhyan along with B.N. Veprintsev, T.A. Sviridova, V.A. Nikitin had cloned the first mammal, known as Masha the mouse, which was ten years before Dolly the Sheep.