Cinematographer Boyd Estus describes how he created the underwater scenes in the film, including shots of Eads' diving bell descending to the bottom of the Mississippi.
Cinematographer Boyd Estus talks about filming the Pioneer Zephyr exhibit at the Museum of Science and Industry in Chicago and the joys of shooting historical documentaries.
Producer Laurie Kahn-Leavitt talks about the making of the film A Midwife's Tale, and Historian Laurel Thatcher Ulrich discusses the importance of Martha Ballard's diary and what it reveals about 17th century America and women's roles at that time.