Simplify the following text for a Grade 11 native English-speaking person.
Original: Framingham is known for the Framingham Heart Study , as well as for the Dennison Manufacturing Company , which was founded in 1844 as a jewelry and watch box manufacturing company by Aaron Lufkin Dennison , who became the pioneer of the American System of Watch Manufacturing at the nearby Waltham Watch Company .
Simplified: The Dennison Manufacturing Company was founded here in 1844 as a jewelry and watch box manufacturing company by Aaron Lufkin Dennison .