Memory MuckrakersVersión en línea Memory Game por Jefferson County ESC Ida Tarbell he published his most well-known work “The Jungle,” she exposed the business practices of the head of industrial mogul John D. Rockefeller Term used to describe the investigative journalists of the early 1900s who exposed many problems and issues in urban America. first to write about the conditions of the urban poor, and eventually photographing them Upton Sinclair Muckrakers Jacob Riis