Gottfried Keller was a Swiss writer born on July 19, 1819, in Zürich. He is best known for his novels and short stories that often explore themes of social life and individual struggles. His most famous work, Green Henry, reflects his experiences and observations of Swiss society in the 19th century. Keller was also a prominent poet and served as the director of the Zürich Art Museum. His literary style combines realism with romantic elements, making his works significant in the context of German literature. He passed away on July 15, 1890, leaving a lasting impact on Swiss literature.