produced by Randall MacLowry and Laura Longsworth ; directed by Randall MacLowry ; written by Michelle Ferrari ; a Yellow Jersey Films, Inc. production for American Experience in association with KQED
produced in association with Cream Productions Inc. for National Geographic Television & Film also in association with ZDF, ZDFE, France 5, BBC ; producer & director, Christopher Rowley ; writer, Michael W. Sheehan
a Franco Dolgin Productions film for American Experience in association with KQED ; WGBH ; written, produced and directed by Gail Dolgin & Vicente Franco