HÉLIO HIGUCHI hails from São Paulo, Brazil, where he was born in 1953. A hotel manager, he has degrees in Architecture and Urban Design and Marketing. A researcher of Latin American military subjects, he is a regular contributor to Brazilian periodicals Asas, Flap and Tecnologia e Defesa. He is the author of A Serviço do Generalíssimo – Os Pilotos Brasileiros na República Dominicana (In the Service of the Generalissimo – Brazilian Pilots in the Dominican Republic, 2014).
Antonio Luis Sapienza Fracchia was born in Asunción, Paraguay on 14 May 1960. He graduated from the Catholic University of Asunción where he got a B.A. in Clinical Psychology. He also took specialized English courses at Tulane University of New Orleans, Louisiana, USA and San Diego State University in California. He is now a retired English Teacher and Academic Coordinator of the Centro Cultural Paraguayo-Americano (CCPA), a binational institute in Asunción. Married with two children, he resides in the capital. In his function as an aviation historian, Sapienza became a founding member of the Instituto Paraguayo de Historia Aeronáutica “Silvio Pettirossi” and has written more than 500 related articles for the specialised press around the world. Sapienza has received five decorations for his academic merits, and published eleven books, including a number for Helion’s @War series.