context: Leo Hendrik Baekeland (English: Leo Hendrik Baekeland; November 14, 1863, Ghent, Belgium - February 23, 1944, Beacon, New York, USA) - an American chemist and inventor of Belgian origin, invented photo paper (1893 ) and Bakelite (1909) - the first inexpensive and non-combustible plastic for universal use.
question: When did Leo Hendrik Bakeland invented photo paper?
answers.text: 1893