a film by Michel Noll ; written by Emmanuel Tronquart ; US sequences director, Jack Baxter ; producers, Jack Baxter ... [and others] ; a co-production by Panocéanic Films, ARTEDIS, Solferino Images, Quartier Latin Media
a David Grubin Production, Inc. film for American Experience in association with the BBC ; produced by David Grubin, Sarah Colt ; written and directed by David Grubin
Janus Films ; Black Sand Productions presents ; a film by Robert Epstein and Richard Schmiechen ; produced by Richard Schmiechen ; directed by Robert Epstein ; narration writers, Judith Coburn and Carter Wilson ; a production of Robert Epstein & Richard Schmiechen and the Television Laboratory at WNET/Thirteen