The answer to the crossword is 'Edison'. Thomas Edison was an American inventor and businessman who worked with Lewis Latimer, a prominent African-American inventor. Edison is best known for his development of the phonograph, the motion picture camera, and the long-lasting, practical electric light bulb. He also held over 1, 000 patents for his inventions. Latimer was hired by Edison in 1884 to work as a draftsman and patent expert. Together, they worked on the development of the light bulb and other inventions.