Memory MuckrakersVersion en ligne Memory Game par Jefferson County ESC Jacob Riis 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. Muckrakers he published his most well-known work “The Jungle,” first to write about the conditions of the urban poor, and eventually photographing them Ida Tarbell Upton Sinclair