Leo Kadanoff (1937-2015)

Leo P. Kadanoff passed away on October 26, 2015. In addition to his ground-breaking contributions to statistical physics, recognized by numerous awards such as the National Medal of Science (US),
the Grande Medaille d'Or of the Académie des Sciences de l'Institut de France, the Wolf Foundation Prize, the Boltzmann Medal of the International Union of Pure and Applied Physics, and the Centennial Medal of Harvard University, he was an active member of the physics community, having served as president of the American Physical Society.

Leo was one of the pioneering Advisory Editors of Papers in Physics and enthusiastically contributed to the journal, both as editor and author.