PETERBOROUGH — An iconic figure in the Peterborough publishing industry, Wayne Green, died Friday at the age of 91. A ham radio enthusiast who created 73 magazine in the early 1960s, he was one of the founders of Byte magazine, which eventually became the nation’s largest computer publication. After leaving Byte, he went on to found a number of other computing magazines, including Kilobaud (later called Microcomputing), 80-Micro, inCider, Hot CoCo and RUN before selling his company to IDG in the early 1980s and moving on to create magazines about music and cold fusion technology.