Complex sentence: He therefore donated his $500 lecture fee to the university to help pay for a suitable monument, which was finally unveiled in 1912 in the form of a bronze bas-relief by sculptor Lee Lawrie, installed in the Sloane Physics Laboratory.
Split into simpler sentences: He therefore donated his $500 lecture fee to the university to help pay for a suitable monument. This was finally unveiled in 1912, in the form of a bronze bas-relief by sculptor Lee Lawrie, installed in the Sloane Physics Laboratory.