Ernest Hemingway initially worked as a journalist before becoming an acclaimed author. His time at the Kansas City Star influenced his writing style, emphasizing concise prose and a focus on realistic dialogue. During his journalistic career, he covered significant events, which later provided rich material for his literary works. Hemingway's experiences in World War I and various assignments in Europe deeply shaped his perspective and narrative voice, paving the way for his success as a prominent writer. This blend of journalism and literature made Hemingway a transformative figure in American literature.