Jane Haddam was the pen name of Orania Papazoglou, a prolific American author best known for her mystery novels. She created the popular Gregor Demarkian series, which features a retired FBI agent who solves crimes in Philadelphia's Armenian-American community. Throughout her career, she published dozens of books under both her real name and her pseudonym, earning a loyal following among mystery enthusiasts. Her work often combined intricate plotting with rich character development and a strong sense of place.