Ambrose Bierce was an American writer and journalist who wrote during the late 19th and early 20th centuries. He is best known for his short stories and satirical works, such as The Devil's Dictionary. His writing style was often cynical and darkly humorous, earning him the nickname 'Bitter Bierce'. He is also remembered for his mysterious disappearance in 1913. The term 'Cynical Bierce' is a reference to his writing style and his reputation as a curmudgeon.