The paper notes: "Thus, an annual conference called 'Computers and Their Applications' was organized. It is interesting to note that the third edition of that conference, held in 1961, featured lectures by professors John McCarthy, Marvin L. Minsky6, and Harold V. McIntosh [9]." That conference was also known as the First International LISP Conference -- see https://mcjones.org/dustydecks/the-first-international-lisp-...