Who first proposed the physics theory, known to have been later independently proposed in a more complete paper by the current tenured professor at the University of Amsterdam, and director and Leon Levy professor at the Institute for Advanced Study in Princeton?
Matrix string theory: In physics, matrix string theory is a set of equations that describe superstring theory in a non-perturbative framework. Robbert Dijkgraaf: Robertus Henricus "Robbert" Dijkgraaf ( [        ]; born 24 January 1960) is a Dutch mathematical physicist and string theorist. Robbert Dijkgraaf:  He is tenured professor at the University of Amsterdam, and director and Leon Levy professor at the Institute for Advanced Study in Princeton.
i don't know