A

David

Darling

Baekeland, Leo Hendrik (1863–1944)

Leo Hendrik Baekeland

Leo Baekaland was a Belgian-born American chemist who invented a type of photographic paper, Velox, capable of being exposed under artificial light. He also invented (1909) the first thermosetting plastic, Bakelite, a substance that led to the development of the plastics industry.