Disaster strikes when Washington Roebling is building a landmark suspension bridge connecting Manhattan to Brooklyn. Can his wife Emily help him deliver an impossible engineering feat?

Stories of bold voices, with brave ideas and the courage to stand alone. Historian Alex von Tunzelmann shines a light on remarkable people from across history.

A BBC Studios Audio production.

Producer: Lorna Reader Written and presented by: Alex von Tunzelmann Executive Producer: Paul Smith Commissioning editor for Radio 4: Rhian Roberts