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In 1868, John Wesley Hyatt developed the plastic material called celluloid and entered it in a contest created by a billiard ball manufacturer (celluloid was actually invented in 1851 by Alexander Parkes, but Hyatt perfected it).
In 1868, John Wesley Hyatt developed the plastic material called celluloid and entered it in a contest created by a billiard ball manufacturer (celluloid was actually invented in 1851 by Alexander Parkes, but Hyatt perfected it).