Question: Hans Clevers was elected as president of the Royal Netherlands Academy of Arts and Sciences, succeeding a dutch mathematical physicist and string theorist, who is a tenured professor where?
Sentence (from "Robbert Dijkgraaf"): Robertus Henricus "Robbert" Dijkgraaf ( [        ]; born 24 January 1960) is a Dutch mathematical physicist and string theorist.
Relevant evidence: Yes