sentences:  The disposable diaper, in its original form invented by Victor Mills of Procter & Gamble, required a core of thick rolls of paper in order to adequately contain fluid and guard against diaper rash.This made the diapers undesirably heavy and bulky.In 1966, Harmon and Harper each independently discovered that a small amount of a highly absorbent polymer could be more effectively used in place of rolls of paper in the diaper's core.