Complex sentence: The Walker family came to prominence via its progenitor, (Thomas Barlow) T. B. Walker, a highly successful American businessperson who acquired timber in Minnesota and California and built one of the largest forest products corporations in the nation at the time.
Split into simpler sentences: The Walker family came to prominence via its progenitor, (Thomas Barlow) TB Walker. T.B. Walker was a highly successful American businessperson who acquired timber in Minnesota and California and built one of the largest forest products corporations in the nation at the time.