Jacqueline Schaeffer (born October 26, 1978) is an American screenwriter and producer best known for her 2009 feature film debut TiMER and for her work in the Marvel Cinematic Universe creating the Disney+ television miniseries WandaVision and Agatha All Along as well as co-writing the initial story to the film Black Widow. Description above from the Wikipedia article Jac Schaeffer, licensed under CC-BY-SA, full list of contributors on Wikipedia.