Mo. Rev. Stat. § 207.040
The director of the division shall devote his entire time to his official duties and shall receive an annual salary of nineteen thousand dollars. It shall be his duty to investigate personally the conduct of the various bureaus of the division of family services, and to give executive control to the administration of the work of the division in this state.
(L. 1945 p. 945 § 35, A.L. 1955 p. 717, A.L. 1961 p. 533, A.L. 1967 p. 320)