Jack Michael, colleagues and friends June 5, 2019 By larry Jack Michael with his relay rack and cumulative recorder at the University of Houston, circa 1959 Jack Michael and Fred Keller in Iowa, circa 1969 Jack Michael, Fred Keller, and Scott Wood in Iowa, circa, 1969 Jack Michael and his beloved 1967 GTO Jack Michael and Scott Wood in Iowa, circa 1969 Jack Michael and B. F. Skinner at the ABA convention, 1979 Jack Michael and Montrose Wolf in Lawrence, KS, circa 1979 Jack Michael, Ivar Lovaas, and Mark Sundberg at my poster on automatic reinforcement at the 1979 ABA convention Jack Michael and Mark Sundberg at Jack’s house in Kalamazoo, 1983 John Mabry, Jack Michael, and Montrose Wolf at the ABAI Convention, 1998. Mabry, along with Wolf and Ayllon were members of Jack’s 1st Ph.D. cohort Jack Michael and Ted Ayllon, 2010, co-authors of the 1959 JEAB study said to have been the beginning of applied behavior analysis. Jack Michael and his wife Alyce Dickinson Mark Sundberg, Hank Schlinger, Caio Miguel, and Jack Michael, at the 2014 ABAI Convention Jack Michael receiving an award from the National Autism Conference Mark Sundberg and Jack Michael in Kalamazoo, 2014. Always happy to get a lecture from Jack. Jack Michael and John Mabry in North Carolina, circa 2010. What’s in the cups boys? Jack Michael at his home in Kalamazoo, 2017