The Information Technology industry is sometimes perceived as a mostly-male one, and International Women’s Day (March 8) seems a good occasion for a little fact-checking: are women new to this business? Do we have any female references in IT-related fields? Sure, we all recall Ada Lovelace, considered the first programmer due to her work on Charles Babbage’s Analytical Engine, but… what about others? Let’s meet some women who, from a technical point of view, have patently influenced information technologies.