Complex sentence: As a young lawyer, he worked with such notables as Alexander Hamilton and Aaron Burr, and toward the end of his career, he served in a case with Abraham Lincoln, where they each represented clients in a land dispute associated with Beloit College.
Split into simpler sentences: As a young attorney, he worked with such notables as Alexander Hamilton and Aaron Burr. At the end of his career, he served with Abraham Lincoln in a case where each represented a defendant in a land dispute associated with Beloit College.