Letter from Thomas Renckly to John Warfield, circa 1982, Orlando, Florida. Also handwritten notes by Warfield, concerning Renckly’s writing ISM software for Apple computer. Date: 6 February 1981 - October 1982. As a young doctoral student at U. of Florida Tom Renckly contacted Warfield with interest in the ISM software, and with telephoned help from Warfield he succeeded in writing a workable ISM software program for an Apple computer. He sent Warfield a document copy of the software or a document of some kind which has disappeared from the files. He also sent a copy of his conference paper which we put into the IASIS file, except I think it is lost too. The paper was in IASIS File 81/008, its title was “Curriculum Viewed as a Binary System: An Approach to the Determination of a Sequence,” Presented 3rd Interservice/Industry Training & Equipment Conference, 30 November -2 December 1981, Orlando, Florida. US. Navy Recruiting Command Curriculum Design, Orlando and College of Education, University of Central Florida, Orlando, 13p. The authors were Thomas R. Renckly and Gary Orwig. (Maybe this 13 page paper was the actual software program written out, I don’t know. Anyway it is lost. We hunted for it for years, but it never turned up. )

I found that Gary Orwig is Professor Gary Orwig, at the University of Florida and probably was Renckly’s dissertation advisor or major professor. Prof Orwig must be a major good guy, he let Renckly be the primary author for that paper. In 2013 Rose found old handwritten notes from Warfield’s phone conversations with Renckly, also a letter written circa 1982. Google reveals that Renckly is now a PH.D, now heads Curriculum planning, is Education Coordinator for the Air University stationed at Maxwell Air Force Base, also that he wrote and presented another paper on ISM in 1986 which is titled: Interpretive Structural Modeling: Its Theoretical Basis and Its Application to Instructional Design in Proceedings of the 1986 Air Force Conference on Technology in Training and Education 10-13 March 1986, pp IV-2 to IV-23, 10-13. We don't have a copy of this 1986 paper, but would love to get it, at least a digitized version.