Complex sentence: He did his doctoral work under Andrew Wiles and went on to receive his Ph.D. from Princeton University in 1996 with a dissertation entitled "Finite Honda Systems And Supersingular Elliptic Curves".
Split into simpler sentences: He did his doctoral work under Andrew Wiles. He received his Ph.D. from Princeton University in 1996 with a dissertation entitled "Finite Honda Systems And Supersingular Elliptic Curves".