Julian Voloj is a New York–based writer whose work has been published in the New York Times, Rolling Stone, the Washington Post, and many other national and international publications. Born to Colombian parents in Germany, where he studied literature and linguistics, Voloj moved to New York in 2004. His fascination for forgotten heroes and hidden figures stems from his own family history and has been a leitmotif in his nonfiction graphic novels. William Wagner is a comics artist, visual artist, writer, and editor. He has won the main awards in the Brazilian market, such as Prêmio Jabuti, HQMIX, and Troféu Grampo de Ouro, and has been published in France, Portugal, Germany, Spain, the Czech Republic, and Poland. He lives in São Paulo.