Complex sentence: He became director and president of banks, railroads, and telegraph and trust companies of Rochester and New York City, served as delegate to the Whig National Convention at Baltimore in 1852 and as vice president of the first Republican State convention of New York in 1854.
Split into simpler sentences: He became director and president of numerous banks, railroads, and telegraph and trust companies of Rochester and New York City. He served as vice president of the first Republican State convention of New York in 1854.