Roberto Pittaluga: PhD and Degree in History from the University of Buenos Aires (UBA). Professor at the National University of La Pampa (UNLPam.), National University of La Plata (UNLP) and University of Buenos Aires (UBA). Researcher at IESH (UNLPam). He has published numerous research articles in national and international journals, as well as several books, among those that stand out Soviets in Buenos Aires stands out, together with The Argentinian left wing before the Russian revolution (2015); he co-authored Memories in montage (2006); and in collaboration with Miguel Riglos, On either side of the tracks (2014).