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Nader Engheta received his ((NOM: Ph.D.)) in Electrical Engineering (with a minor in Physics), in 1982 from the California Institute Doctor of Philosophy Technology. Currently he is a Professor of Electrical and Systems Engineering, and Professor of Bioengineering at the University of Pennsylvania. His current research activities include metamaterials, plasmonics, nano-optics, nanophotonics, bio-inspired sensing and imaging, miniaturized antennas and nanoantennas. Richard W. Ziolkowski received both his M.S. and ((NAM: Ph.D.)) in physics, in 1975 and 1980, respectively from the University of Illinois at Urbana-Champaign. Currently he has a dual appointment at the University of Arizona. He is a Professor of Electrical and Computer Engineering, and a Professor of the Optical Sciences. His current research includes metamaterial physics and engineering related to low frequency and high frequency antenna systems, and includes nanoparticle lasers.
 education degree: Nader Engheta, Doctor of Philosophy
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
 Entity Pairs:  Nader Engheta, Doctor of Philosophy 
Answer:
 education degree: Nader Engheta, Doctor of Philosophy