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?
Sentence (from "Robbert Dijkgraaf"): Robertus Henricus "Robbert" Dijkgraaf ( [        ]; born 24 January 1960) is a Dutch mathematical physicist and string theorist.
Relevant evidence: Yes