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David Connell (d. 1995) was the original executive producer for Sesame Street, and Children's Television Workshop's vice-president in charge of production. Connell, a former producer for Captain Kangaroo, played a key role in establishing the basic format of the "street" skits. He was also the principal creative behind The Man from Alphabet, a series of live action skits starring Gary Owens which failed in child tests and were never aired on Sesame Street.
His other Sesame credits include:
1969: Sesame Street -- Producer
1974: Out to Lunch -- Executive Producer
1975: The Jean Marsh Cartoon Special with Grover -- Producer
1987: Sesame Street Live Big Bird and the ABC's -- Co-writer
Connell was also executive producer and writer for The Electric Company, and for Square One TV in the late 1980s.