Physics Professor Walter H. G. Lewin moderates the Science Trivia Challenge that took place in the Broad Institute on Wednesday night. Questions ranged from general science and engineering questions to identifying the beards of famous scientists. Tiffany Ira Huang—The Tech May. 9, 2016 Facebook Twitter Reddit Print Physics Professor Walter H. G. Lewin moderates the Science Trivia Challenge that took place in the Broad Institute on Wednesday night. Questions ranged from general science and engineering questions to identifying the beards of famous scientists. Tiffany Ira Huang—The Tech