The department of labor and industrial relations shall be in charge of a “Labor and Industrial Relations Commission” consisting of three members appointed by the governor by and with the advice and consent of the senate. One member of the commission shall be a person who, on account of his previous vocation, employment, affiliation or interests shall be classified as a representative of employers, and one member who, on account of his previous vocation, employment, affiliation or interests shall be classified as a representative of employees, and one member, who, by reason of his previous activities and interests shall be classified as a representative of the public and who is licensed to practice law in the state of Missouri; except that not more than two members of the commission shall be of the same political party. A member of the commission shall be designated by the governor as the chairman. The labor and industrial commission shall be the successor to the industrial commission and the terms of members shall be as provided by law for the industrial commission. The department shall also administer the programs of the state relating to the protection and improvement of human rights.