DERRICK NIEDERMAN received a B.A. in mathematics from Yale and a Ph.D. in mathematics from MIT. He is the author of This Is Not Your Father’s Stockpicking Book, The Inner Game of Investing, and A Killing on Wall Street. DAVID BOYUM received a B.A. in applied mathematics and a Ph.D. in public policy from Harvard. He has been a visiting scholar at the Yale School of Management and a Robert Wood Johnson Scholar in Health Policy Research at Yale.