Multiple choice general knowledge science & technology Early Motion Picture Camera. Albert Einstein William Kennedy Dickson Guglielmo Marconi James Watt Reveal answer Fill a bubble to check yourself B Correct answer Explanation William Kennedy Dickson, working under Thomas Edison, developed an early motion picture camera in the late 1880s, known as the Kinetograph. Einstein was a physicist, Marconi worked on radio, and James Watt developed the steam engine.