Hugo Pratt origin, his maternal grandfather was of Marrano (Jewish) descent, and his grandmother was of Turkish origin. He was also related to actor Boris Karloff (né William Henry Pratt). In 1937, Pratt moved with his mother to Abyssinia (Ethiopia), joining his father who was working there following the conquest of that country by Benito Mussolini's Italy. Pratt's father, a professional Italian soldier, was captured in 1941 by British troops and in late 1942, died from disease as a prisoner of war. The same year, Hugo Pratt and his mother were interned in a prison camp at Dirédaoua, where he would buy
El fiscal (R. S. Pratt novel) Castagnino are references to Cristina Fernández de Kirchner, Stiuso and Lagomarsino. The book was published by Emece, and the author is R. S. Pratt. Emece told that the name is actually the pseudonym of a known Argentine writer, whose real identity has not been disclosed. The newspaper Infobae made an interview by email. Pratt commented that the book is based only in the public information of the case available at the press, and that he did not get in contact with the relatives of Nisman. He also refused to disclose his identity. Ignacio Iraola, directo of the publisher Planeta, said