Volume 36A of Research in the History of Economic Thought and Methodology features a symposium on Bruce Caldwell's Beyond Positivism after 35 years. Contributors to the symposium include Kevin Hoover, Wade Hands, Tony Lawson, and Peter Boettke. The volume also features general-research essays from Luis Mireles-Flores and Alain Marciano. Luca Fiorito presents a new discovery from the archives.