O. Henry was the pen name of William Sydney Porter (1862-1910) was a prolific American short story writer. Initially trained as a pharmacist, Porter began his writing career as a journalist and worked on his stories on the side. After being accused of embezzling money from a bank he worked for, he fled to Honduras. He returned to the US upon the death of his wife and was sentenced to five years in prison. It was during this time that he began to have his first stories published. He later moved to New York and began writing stories in earnest. Some of his most famous stories include "Gift of the Magi" and "The Caballero's Way" which introduced the character, the Cisco Kid.