Hannibal Goodwin is credited with using celluloid in Film strips. This link shows his patents and legal process to secure his invention which went against Kodak
The Lumière brothers, Auguste and Louis, were sons of well known Lyons based portrait painter Antoine Lumière. They were both technically minded and excelled in science subjects and were sent to Technical School. Antoine, noting the financial rewards of new photographic processes, abandoned his art and set up a business manufacturing and supplying photographic equipment.