The State Geologist and the Assistant State Geologist of the State Geological Survey of Alabama during their course of employment as such officials and under the conditions hereinafter set forth in Sections 9-4-4 through 9-4-7 shall be permitted to teach graduate or undergraduate courses at the University of Alabama which are connected with or related to the study of geology or affiliated or associated subjects.
Ala. Code § 9-4-4 (1975)