The governor shall, by and with the advice and consent of the senate, as soon as practicable after the passage of this act, appoint two additional commissioners, who, together with the five heretofore appointed, and the general agent and secretary, shall constitute the board of public charities; one of those thus appointed, to hold office for the term of four years from the first day of December, 1872, and the other for the term of five years from the said first day of December, 1872: Provided, That the president and any two members of said board shall constitute a quorum for the transaction of business.
71 P.S. § 1501