inventors Thomas Edison Lee de Forest triode vacuum tube Phonofilm Merian C. Cooper Cinerama Herbert Kalmus Technicolor Auguste and Louis Lumière Mark Serrurier Hedy Lamarr frequency-hopping Wi-Fi cellular telephone Ray Dolby video tape recorder Dolby noise-reduction system
Ten inventors have stars on the Walk: George Eastman, inventor of roll film; Thomas Edison, inventor of the first true film projector and holder of numerous patents related to motion-picture technology; Lee de Forest, inventor of the triode vacuum tube, which made radio and TV possible, and Phonofilm, which made sound films possible; Merian C. Cooper, co-inventor of the Cinerama process; Herbert Kalmus, inventor of Technicolor; Auguste and Louis Lumière, inventors of important components of the motion picture camera; Mark Serrurier, inventor of the technology used for film editing; Hedy Lamarr, co-inventor of a frequency-hopping radio guidance system that was a precursor to Wi-Fi networks and cellular telephone systems; and Ray Dolby, co-developer of the first video tape recorder and inventor of the Dolby noise-reduction system.
