On 27th Oct 2008, Dr. Minshen Zhu visited University of Pennsylvania in US and attended the dinner at the President’s Residence. Dr Zhu presented Dr Amy Gutmann, the President of U Penn, with his PhD On 27th Oct 2008, Dr. Minshen Zhu visited University of Pennsylvania in US and attended the dinner at the President’s Residence. Dr Zhu presented Dr Amy Gutmann, the President of U Penn, with his PhD thesis.