Which pioneer is credited with developing Kinescope and Iconoscope?

Vladimir Zworykin is recognized for his significant contributions to the development of early television technology, specifically the Kinescope and Iconoscope. The Kinescope was an early motion picture device that played back film for television broadcasts, allowing viewers to see moving images on screen. The Iconoscope, on the other hand, was one of the first electronic camera tubes used in television, enabling the capture of images for broadcasting. Zworykin's innovations in these technologies laid the groundwork for the eventual emergence of television as a medium, making him a pivotal figure in the history of broadcasting.

The other individuals listed made contributions in different areas: Eli Whitney is known for the cotton gin and contributions to manufacturing processes; George Stephenson was a key figure in railway development and locomotive technology; and James Watt is famous for his work on steam engines. Their work, although impactful in their respective fields, does not relate to the development of television technologies like Zworykin's did.