The man who invented the movie camera got on a train in France in 1890 and was never seen again. The wife of Louis Le Prince thought she knew who’d ordered her husband’s disappearance and presumed murder - Thomas Alva Edison.

Many people were simultaneously racing to develop moving pictures - so had Edison decided to bump off his closest rival so he could win? The story of who deserves the credit for the movies is a murky one - involving bitter betrayal, courtroom drama and soft-core porn.

See omnystudio.com/listener for privacy information.

Thomas Edison didn’t invent the lightbulb, but he created something more important: the grid. Edison's system of power plants and wires brought lightbulbs to homes and offices and revolutionized modern life.

Edison was adamant that direct current (DC) should power America, and attacked competitors who said that alternating current (AC) was better. This sparked a bitter war between Edison and his rivals - and prompted Edison to become involved in the first case of a murderer being sent to the electric chair.

See omnystudio.com/listener for privacy information.

Thomas Alva Edison helped transform America and the world. He registered over one thousand patents before he died in 1931 - and we can thank him for advances in electric power, communications technology, music recording and even the movies. But his biggest breakthrough doesn't get nearly enough attention.

In many ways, Edison invented modern inventing. Join Business History hosts Jacob Goldstein and Robert Smith as they trace the life story of a scrappy young boy with bad hearing who almost singlehandedly invented R&D.

See omnystudio.com/listener for privacy information.