Lecture given at the commemorative event entitled “The József Attila University Cybernetics Laboratory (JATE KIBLAB)” in the “Large Computing Workshops” series of the John Neumann Computer Science Society Information Technology History Forum (NJSzT iTF), jointly organized by the University of Szeged (SZTE) and the Informatics History Museum Foundation (ITMA), at the Szent-Györgyi Albert Agora in Szeged. (15. 11. 2013.)