Complex sentence: Henry Bradford Endicott (~ 1854-February 12,1920) was the founder of the Endicott Shoe Company and the Endicott Johnson Corporation as well as the builder of the Endicott Estate, in Dedham, Massachusetts.
Split into simpler sentences: Henry Bradford Endicott (died 1920) was the founder of the Endicott Shoe Company and the Endicott Johnson Corporation. He was also the builder of the Endicott Estate, in Dedham, Massachusetts.