Bruno Mugnai was born in Florence in 1962 and still lives there with Silvia, Chiara and Eugenio. Active for years as a divulger of history and illustrator, he has published several titles for publishers such as the Historical Office of the Italian Army and Helion & Company in the UK, concerning to the periods and geographical areas of his interest, as the Ancient Italian States, central and eastern Europe in 16th, 17th and 18th century and South America after the conquest. As an illustrator he is collaborating with important Italian and foreign specialists and with the Stibbert Museum of Florence. Bruno is a Rugby Football Union enthusiast, who is still trusting in the Italian Grand Slam in the Six Nations Tournament.

Massimo Predonzani was born in Piran (Slovenia) in 1959 and currently lives in Trieste (Italy). He is an illustrator and researcher. He is specialised in military heraldry during the Italian and European Renaissance. He wrote "Anghiari 29 giugno 1440" (2010), printed by "Il Cerchio" (Rimini), "Ceresole 14 aprile 1544" (2012) distributed in French and Italian by French publisher "Historic'one". In 2014 he wrote "Caravaggio 1448. L'assedio, le battaglie, l'araldica" published by "Acies Editions" (Milan). His articles "The taking of Pisa based on the painting on the front of a chest preserved in the National Gallery in Dublin," (2013) and "Les drapeaux de Venise pris par les Suisses à la Bataille d'Agnadel et conservés au Musée d' Appenzell" (2015) have been published by the Swiss Journal "Archivum Heraldicum". Since 2006 he has been providing the magazine "Soldatini" with texts and illustrations. He also has a website where he shares his research and his painted illustrations (www.stemmieimprese.it.).