The authority shall consist of five members appointed by the governor, by and with the consent of the senate. A member’s authority to act shall commence upon receiving the advice and consent of the senate, if the senate is in session, but if the senate is not in session, his authority shall commence immediately upon appointment by the governor, but shall terminate if advice and consent is not received thirty calendar days after the senate convenes. If advice and consent is not given, such person shall not be reappointed by the governor to the authority. Not more than three members of the authority shall be members of the same political party. All members shall be residents of the state of Missouri. The members of the authority first appointed shall continue in office for terms expiring on January 22, 1974, January 22, 1975, and January 22, 1976, the term of each member to be designated by the governor. The successor of each member shall be appointed for a term of three years, but any person appointed to fill a vacancy shall be appointed to serve only for the unexpired term. Members of the authority shall be eligible for reappointment. Three members of the authority shall constitute a quorum and the affirmative vote of three members shall be necessary for any action by the authority. Advice and consent may be withdrawn with regard to any member of the board upon a vote of a majority of the elected members of the senate.