EQMM 75th Anniversary Symposium Part 3: Part 3 of EQMM’s 75th-Anniversary Symposium, recorded at Columbia University’s Butler Library on September 30, 2016. Panel: EQMM's Editors at Work. Featuring Russell Atwood, Otto Penzler, Josh Pachter, and Joseph Goodrich (moderator). Audio and video by Ché Ryback. On September 30, 2016, Ellery Queen’s Mystery Magazine and Columbia University’s Butler Library celebrated the magazine’s 75th anniversary with a half-day symposium. This symposium will be presented here in four parts.