PAUL D. SONKIN was an analyst and portfolio manager at Gabelli Funds and previously I spent 14 years at the helm of The Hummingbird Value Fund. For 16 years he was an Adjunct Professor at Columbia Business School and is co-author of The Enduring Value of Roger F. Murray and the first edition of Value Investing: From Graham to Buffett and Beyond.

PAUL JOHNSON runs Nicusa Investment Advisors and is an Adjunct Professor at Columbia Business School and the Gabelli School of Business at Fordham University. He is coauthor of The Enduring Value of Roger F. Murray, co-author of The Gorilla Game, contributing annotator to The Most Important Thing: Illuminated (by Howard Marks), and a contributing author to Columbia Business School: A Century of Ideas.