produced by Atlantic Productions in association with PBS and Devillier Donegan Enterprises ; series producer, Anthony Geffen ; series written & directed by Cassian Harrison
a presentation of Films for the Humanities & Sciences ; written and produced by Paul Iacono ; executive producer, Frank Batavick ; Tranquilo Producciones ; producer, Fernanda Dominguez ; director, Pablo Garcia
Jezebel Productions & Cicada Films in association with Salzgeber Medien ; produced by Greta Schiller, Andrea Weiss, and Frances Berrigan; written and researched by Andrea Weiss ; directed by Greta Schiller