Complex sentence: Brookhaven is the home of Stony Brook University, which moved to Stony Brook from its original Oyster Bay campus in 1962; the university has since become the town's largest employer.
Split into simpler sentences: Brookhaven is the home of Stony Brook University, which moved to Stony Brook from its original Oyster Bay campus in 1962. The university has since become the town's largest employer.