Complex sentence: Tantiusques was acquired by The Trustees of Reservations in 1962 through land donated by Roger Chaffee, given in memory of his professor, George H. Haynes, of Worcester Polytechnic Institute.
Split into simpler sentences: Tantiusques was acquired by The Trustees of Reservations in 1962 through the generosity of Roger Chaffee. It was given in memory of his professor, George H. Haynes, of Worcester Polytechnic Institute.