Complex sentence: Nathaniel C. Wyeth (October 24,1911--July 6,1990) was an American mechanical engineer and inventor responsible for inventing a polyethylene beverage container that could withstand the pressure of carbonated liquids.
Split into simpler sentences: Nathaniel C. Wyeth (October 24,1911--July 6,1990) was an American mechanical engineer and inventor. He is best known for creating a polyethylene beverage container that could withstand the pressure of carbonated liquids.