Walter Hayman, an extraordinary complex analyst, passed away on January 1, 2020. He made outstanding contributions through his breakthrough theorems, his influential books, his students, and service to the profession. He was an editor of the Journal from its beginning. An obituary appeared in Comput. Methods Funct. Theory (2020) 20:181–183.Footnote 1 This issue is dedicated to his memory. We are grateful to Tom Carroll, David Drasin, Aimo Hinkkanen, and Jim Langley for their hard work in preparing it.