In the early and mid-19th century, Boston's Clipper Ship owners and captains were equivalent to today's high net worth class, accumulating substantial wealth through their maritime trade activities. While spending extended periods in remote parts of the globe, agents in their home port were engaged to manage the financial affairs of their absentee principals. So began the evolution of the fiduciary role, the origins of the Boston Trustee, and "prudent man rule" of trustee conduct.