Instructor of the MIT course represented by Position Space Renormalization Group by Mehran Kardar. The official course record lists the instructor.[ref]
https://ocw.mit.edu/courses/8-334-statistical-mechanics-ii-statistical-physics-of-fields-spring-2014/pages/syllabus/. MIT 8.334, Spring 2014, course instructor
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Mehran Kardar is a prominent physicist known for his contributions to the fields of statistical mechanics, condensed matter physics, and biophysics. He has been involved in research that explores various topics, including phase transitions, critical phenomena, and complex biological systems. Kardar is also recognized for his work in the mathematical frameworks that describe these phenomena, employing tools from statistical physics and field theory.