Complex sentence: Madeleine M. Joullié (March 29,1927 -) became the first woman to join the University of Pennsylvania chemistry faculty and was the first female organic chemist to be appointed to a tenure track position in a major American university.
Split into simpler sentences: Madeleine M. Joullié (March 29,1927 -) was the first woman to join the University of Pennsylvania chemistry faculty. She was also the first female organic chemist to be appointed to a tenure track position in a major American university.