Mamikon Mnatsakanian

Mamikon A. Mnatsakanian (Armenian: Մամիկոն Մնացականյան) is Project Associate at Project Mathematics! at the California Institute of Technology.
He received a Ph.D. in physics in 1969 from Yerevan State University, where he became professor of astrophysics. As an undergraduate he specialized in the development of geometric methods for solving calculus problems by a visual approach that makes no use of formulas, which he later developed into his system of visual calculus.
In 2010 he was nominated by Caltech for the Ambartsumians International Prize, awarded annually by the President of Armenia, for his contributions in the field of theoretical astrophysics.
In 1959 he discovered a new proof of the Pythagorean theorem.