Presentation given at the memorial conference "In memoriam Sántáné-Tóth Edit (1938-2022)", with an introduction by Bálint Dömölki, at the event of the John von Neumann Computer Science Society's Information Technology History Forum (NJSZT iTF), where we commemorated the life and work of Sántáné-Tóth Edit at Óbuda University. (2022.04.29.)