The Resident Physician, who shall also be the Superintendent, shall be the chief executive officer of the Asylum; he shall have the general superintendence of the buildings, grounds, and property, subject to the laws and regulations of the Trustees; he shall have the sole control and management of the patients; he shall ascertain their condition, daily prescribe their treatment, and adopt such sanitary measures as he may think best; he shall appoint, with the approval of the Trustees, so many attendants and assistants as he may think proper and necessary for the economical and efficient performance of the business of the Asylum, prescribe their several duties.