Complex sentence: In the same year he became a fellow of the College of Surgeons of Edinburgh, and four years later began to act as examiner for them; for many years the College's treasurer, he was president from 1830 to 1832.
Split into simpler sentences: In the same year he became a fellow of the College of Surgeons of Edinburgh, and four years later began to act as examiner for the College. For many years he was the College's treasurer, and later he was president from 1830 to 1832.