The Trustees shall elect one (1) of their number to serve as chairman. The Trustees shall meet at places and dates to be determined by the Trustees not less than two (2) times a year. The Director shall serve as secretary to the Board of Trustees. Special meetings shall be called by the Director upon order of the Chairman on the Chairman's own initiative and shall be called by the Director at the request of three (3) or more Trustees. All Trustees shall be notified by the Director in writing of the time and place of all meetings at least seven (7) days in advance of such meeting, except that meetings may be held on shorter notice if all Trustees shall agree. Four (4) trustees shall constitute a quorum. In the event that any time there is no Director of the Trust, his duties and powers shall devolve upon the Chairman.