GabrielF writes "Artificial Intelligence pioneer Joseph Weizenbaum, who created the first chatbot Eliza in the 1960s, died last Thursday at the age of 85. The New York times has an obituary. Weizenbaum designed Eliza so that a user's interaction with the program would approximate the conversation a patient might have with a Rogerian therapist. Although the realism of the interaction was limited, Weizenbaum noted that many users became deeply attached to the program, sharing their deepest secrets with it. This observation contributed to Weizenbaum's later ambivalence about computer technology and worry about the potential implications of artificial intelligence."