sentences:  One of Apsell's first productions was NOVA "Death of a Disease" which was the first long-form documentary on the eradication of smallpox.In the late 1970s Apsell was producing documentaries on artificial intelligence and genetic engineering; topics that rarely existed in the mainstream prior to the 21st century.In 1981 Apsell went to Boston's ABC affiliate, WCVB, and was a producer for medical correspondent Dr. Timothy Johnson.