Stewart Douglas Cheifet, age 87, of Philadelphia, PA, passed away on December 28, 2025. Stewart was born on September 24, 1938, to Paul and Anne Cheifet in Philadelphia, where he spent his childhood and attended Central High School. Stewart is best known for producing and hosting the nationally broadcast PBS television programs Computer Chronicles and Net Cafe. Computer Chronicles aired from 1984 to 2002, producing more than 400 episodes that documented the rise of the personal computer from its earliest days. Stewart is survived by his brothers Lanny and Bruce, his children Stephanie and Jonathan, and his grandchildren Gussy, Josephine, Benjamin, Freya, and Penny.