Seth Roberts was a Professor of Psychology at Tsinghua University in Beijing and Emeritus Professor of Psychology at the University of California at Berkeley. He was the author of the bestselling book The Shangri-La Diet. He was well known for his work in self-experimentation which led to the discovery of his diet, multiple publications and a popular blog.
Roberts died in April 2014 after collapsing while hiking.
His memorial site is http://www.seth-roberts-memorial.com/