Philippe Tarhan is one of four people to whom Lloyd Simcoe sends an email urging that they go public with the experiment that caused the Global Blackout and take responsibility for the 20 million deaths incurred. The other three email recipients are Gordon Myhill, Elizabeth Rhee, and Gabe Clayson. ("Playing Cards with Coyote") Simon strongly disagrees with the course of action urged in the email and visits Simcoe at Angeles Hospital to try to dissuade him. ("Playing Cards with Coyote")