Robin Broad (Author) Robin Broad is a two-time MacArthur fellow and won a Guggenheim fellowship for her work surrounding mining in El Salvador. A research professor at American University, she served as an international economist in the US Department of the Treasury, in the US Congress, and at the Carnegie Endowment for International Peace. Broad and her husband, John Cavanagh, helped build the network of global allies that spearheaded the fight against mining in El Salvador. They have coauthored several books together. John Cavanagh (Author) John Cavanagh is senior advisor for and former director of the Washington, DC-based Institute for Policy Studies, an organization that collaborates with the Poor People's Campaign and other dynamic social movements to turn ideas into action for peace, justice, and the environment. Previously, he worked with the United Nations to research corporate power. Cavanagh and his wife, Robin Broad, helped build the network of global allies that spearheaded the fight against mining in El Salvador. They have coauthored several books together. Jon Sack (Illustrator) Jon Sack is a US- and UK-based artist and writer. His comic books include La Lucha, which is about violence in Juárez and the lawyers working to combat it, and Iraqi Oil for Beginners, about the complicated history of oil in Iraq, as well as My Fairy Godfather and Windows on the World.