Question: 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?
Facts:
The Matrix string theory is physics
The Matrix string theory was first proposed by Luboš Motl
Robbert Dijkgraaf is a tenured professor at
Robbert Dijkgraaf is director and Leon Levy professor at  the Institute for Advanced Study in Princeton
A more complete Matrix string theory paper was proposed by Robbert Dijkgraaf
Answer: Luboš Motl