sentences:  On the Convention's first day of business, May 25, 1787, Alexander Hamilton nominated Jackson to the post, and the delegates chose him over William Temple Franklin, Benjamin Franklin's grandson, despite the latter's experience serving as his grandfather's secretary during the Treaty of Paris negotiations.As the Convention secretary, Jackson had a number of duties, including maintaining the secrecy of the Convention's proceedings, keeping official minutes, and destroying many of the proceedings' other records.He signed the document "Attest William Jackson Secretary" to attest to four corrections which had been made to the document.