 Jacob Bunn was the older brother of John Whitfield Bunn, and both men were among the closest friends and political allies of Illinois lawyer and statesman Abraham Lincoln, whose political career was largely financed and managed by the Bunn brothers.Jacob Bunn, Sr., oversaw the steady growth of the new corporation, and under his administration the corporate employment grew from 260 in the year 1879 to 400 in the year 1880.Jacob Bunn led corporate sales along a certain and definite trajectory of growth in both volume of manufacture and corporate revenue.