Ernest Hemingway (1899-1961), born in Oak Park, Illinois, started his career as a writer in a newspaper office in Kansas City at the age of seventeen. After the United States entered the First World War, he joined a volunteer ambulance (n. 战时流动医院) u Ernest Hemingway (1899-1961), born in Oak Park, Illinois, started his career as a writer in a newspaper office in Kansas City at the age of seventeen. After the United States entered the First World War, he joined a volunteer ambulance ( n. wartime mobile hospital) u