John Graham Brooks was an influential American sociologist and economist, renowned for his critical examination of social and economic issues during the late 19th and early 20th centuries. Born on July 19, 1846, and educated at Harvard Divinity School, Brooks shifted his focus from theology to social science, dedicating his career to the advocacy of progressive reforms. His academic pursuits were deeply intertwined with his commitment to improving labor relations and social equity. A pivotal figure in the Progressive Era, Brooks served as president of the National Consumers League and held a deep passion for labor rights and antitrust issues. His seminal work, 'The Conflict between Private Monopoly and Good Citizenship' (1909), addresses the tensions between corporate power and the public interest, dissecting the ethical and economic implications of monopolistic practices. A prescient critic of unchecked capitalism, Brooks's insights contributed to a growing discourse on corporate regulation and the social responsibilities of citizenship. He artfully combined rigorous analysis with moral philosophy, a combination that has endured in discussions of economic justice and democratic values. Brooks's literary style was as accessible as it was authoritative, allowing him to reach both academic and lay audiences. His work continues to resonate in contemporary debates on corporate influence and the role of government in safeguarding the common good.