Lewis Howard Latimer, an “Edison Pioneer,” was born in Massachusetts on September 4, 1848. He was the son of an escaped slave and only had a few years of grammar school but still landed a job at the patent office of Crosby and Gould where he learned to be a patent draftsman. His skills, creativity and ambition flourished till he was inventing on his own and moving through well known early electric companies. In 1884 he joined Edison Electric Light Company as draftsman-engineer, then working in the legal department of Edison General Electric. The Othmer Library has this book published by the Thomas Alva Edison Foundation and General Electric in 1977, Thomas Alva Edison’s associate, Lewis Howard Latimer, a Black inventor : a biography and related experiments you can do.