Strain, Tracy Heather, television producer, screenwriter, television director.

MacLowry, Randall, television producer, screenwriter, television director.

Taylor, Rebecca (Producer), television producer.

Rhinehart, Joanna, 1958- narrator.

American Experience Films, production company.

Film Posse (Firm), production company.

PBS Distribution (Firm), publisher.

American Experience Films ; produced by Rebecca Taylor, Randall MacLowry, Tracy Heather Strain ; written and directed by Tracy Heather Strain & Randall MacLowry ; a Film Posse, Inc. production.

Strain, Tracy Heather, television director, screenwriter, television producer.

MacLowry, Randall, television producer.

Bellows, Susan, television producer.

Williams, Vanessa, 1963- narrator.

Turpin, Bahni, voice actor.

Film Posse (Firm), production company.

Public Broadcasting Service (U.S.), broadcaster.

PBS Distribution (Firm), publisher.

produced by Randall MacLowry, Tracy Heather Strain ; written and directed by Tracy Heather Strain ; senior series producer, Susan Bellows ; a Film Posse, Inc. production for American Experience.

Smith, Llewellyn, film director, film producer.

Herbes-Sommers, Christine, film producer.

Mahan, Leah, film producer.

Lipman, Mark film producer.

Thomson, Kelly, film producer, editor of moving image work.

MacLowry, Randall, editor of moving image work.

Henderson, Dakin, director of photography.

Vital Pictures (Firm), production company.

Holding Ground Productions, production company.

New Day Films film distributor.

Holding Ground Productions in association with Vital Pictures ; director, Llewellyn Smith ; producers, Llewellyn Smith, Christine Herbes-Sommers.

Colt, Sarah television director, television producer, screenwriter.

Hunt, Linda, 1945- narrator.

Youngner, Julius on-screen participant.

McCarthy, Stephen (Cinematographer), director of photography.

MacLowry, Randall, editor of moving image work.

Kusiak, John, composer (expression)

Willis, P. Andrew, composer (expression)

Based on (work): Oshinsky, David M., 1944- Polio: an American Story.

Sarah Colt Productions, production company.

Public Broadcasting Service (U.S.) broadcaster.

PBS Home Video publisher.

a Sarah Colt Productions film for American Experience ; written, produced and directed by Sarah Colt.

Greene, Brian, 1963-

McMaster, Joseph.

Sahula, Jonathan.

Cort, Julia.

Bartlett, Dick, 1942-

Judd, Graham.

Streeter, Sabin.

Audette, Steve.

MacLowry, Randall.

Rosen, Josh.

DeNooyer, Rushmore.

Elisco, David

Quade, Doug.

Strachan, Anna Lee.

Greene, Brian, 1963- Elegant universe.

Greene, Brian, 1963- Fabric of the cosmos.

PBS Distribution (Firm)

WGBH (Television station : Boston, Mass.)

Channel Four (Great Britain)

David Hickman Films (Firm)

Sveriges television.

Norddeutscher Rundfunk.

WGBH Educational Foundation.

ARTE France.

National Geographic Channel (Television station : Washington, D.C.)

Strain, Tracy Heather, television director, television producer, screenwriter.

MacLowry, Randall, television producer, editor of moving image work.

Richardson, LaTanya, 1949- narrator.

Rose, Anika Noni, 1972- voice actor.

King, Alexandria Danielle, actor.

Ervin, Chad, editor of moving image work.

Byron, Don, composer (expression)

Weaver, Jonathan (Cinematographer), director of photography.

De Besche, Austin, director of photography.

Bramley, Nikki, director of photography.

Butler, Rick, director of photography.

Walker, Keith (Cinematographer), director of photography.

California Newsreel (Firm), presenter, film distributor.

American Masters Pictures, production company, sponsoring body.

Lorraine Hansberry Documentary Project, LLC, production company.

Film Posse (Firm), production company, sponsoring body.

Chiz Schultz, Inc., production company.

Independent Television Service, production company.

Black Public Media, production company.

National Endowment for the Humanities, sponsoring body.

Corporation for Public Broadcasting, sponsoring body.

Ford Foundation, sponsoring body.

JustFilms (Firm), sponsoring body.

National Endowment for the Arts, sponsoring body.

LEF Foundation, sponsoring body.

Peter G. Peterson and Joan Ganz Cooney Fund, sponsoring body.

Illinois Humanities Council, sponsoring body.

California Newsreel presents [with] American Masters Pictures ; Lorraine Hansberry Documentary Project, LLC presents in association with the Film Posse, Chiz Schultz Inc. and American Masters Pictures ; a co-production with ITVS, Black Public Media ; written and directed by Tracey Heather Strain ; produced by Tracy Heather Strain and Randall MacLowry.

Sahula, Jonathan, television producer.

McMaster, Joseph, television producer, screenwriter.

Wallace, Melanie (Producer)

Swartz, Howard B., television producer.

Aspell, Paula S., television producer.

Judd, Graham, television producer, television director, screenwriter.

Streeter, Sabin, television producer, television director, screenwriter.

MacLowry, Randall, television producer, television director, screenwriter.

Cort, Julia, television producer, television director, screenwriter.

Rosen, Josh, television producer, television director, screenwriter.

DeNooyer, Rushmore, television producer, television director, screenwriter.

Elisco, David screenwriter.

Quade, Doug, television producer, film editor.

Strachan, Anna Lee, television producer.

Greene, Brian, 1963- host.

Audette, Steve, film editor.

Humphreys, Robert, director of photography.

McCarthy, Stephen (Cinematographer)

Tomney, Ed, composer (expression)

Greene, Brian, 1963- Fabric of the cosmos.

32-12 Media (Firm), production company.

Film Posse (Firm), production company.

Spine Films, production company.

Lone Wolf Documentary Group, production company.

ARTE France production company.

National Geographic Channel (Television station : Washington, D.C.), production company.

WGBH Educational Foundation, production company.

PBS Home Video film distributor.

produced and directed by Graham Judd and Sabin Streeter ; telescript by Graham Judd & Sabin Streeter ; story by Joseph McMaster and Graham Judd & Sabin Streeter produced and directed by Randall MacLowry ; telescript by Randall MacLowry ; story by Joseph McMaster and Randall MacLowry produced and directed by Julia Cort and Josh Rosen ; telescript by Julia Cort and Josh Rosen ; story by Joseph McMaster and Josh Rosen (ca. 55 min.) -- produced and directed by Rushmore DeNooyer ; telescript by Rushmore DeNooyer ; story by Joseph McMaster and David Elisco and Rushmore DeNooyer ; produced by Doug Quade ; produced by Anna Lee Strachan (ca. 56 min.)

senior producer, Jonathan Shula ; series executive producer, Joseph McMaster ; senior series producer, Melanie Wallace ; executive producer, Howard Swartz ; senior executive producer, Paula S. Apsell ; a NOVA Production by 32-12 Media (program 1), Film Posse (program 2), Spine Films (program 3), Lone Wolf Documentary Group (program 4) ; in association with ARTE France and National Geographic Channel ; WGBH Educational Foundation.

Adelman, Larry.

Smith, Llewellyn.

Vital Pictures (Firm)

National Minority Consortia (U.S.)

California Newsreel (Firm)

produced by California Newsreel ; in association with Vital Pictures ... [and others] ; presented by National Minority Consortia ; series creator & executive producer, Larry Adelman.