Allan Landwer-Professor of Biology Holland School of Sciences & Mathematics
NRSC-116 16222 325-670-5894

Allan J Landwer

Professor of Biology Holland School of Sciences and Mathematics Biology


  • Bachelor of Science, Biology, TCU, 1986
  • Master of Science, Biology, TCU, 1988
  • Doctor of Philosophy, Biology (Ecology), The University of New Mexico, 1994

Dr. Allan J. Landwer.  Professor of Biology and Director of International Studies and at Hardin-Simmons University.  His expertise includes international education, the public understanding of science, natural history, intercultural communication, ecology, and herpetology.

Dr. Landwer came to HSU in 1994.  Since 2009, he has provided leadership for all university academic study abroad programs.  He has been a biology department chair and is a vertebrate ecologist and herpetologist.

In his free time he enjoys photography, college sports, hiking, and travel.

Recent Publications:

Corrender Taylor, Samuel Thompson, JD Carnes, Wendi K Wolfram, Allan J. Landwer, and Andrea B. Jensen. 2018.  The Effects of Ant Relationships on Texas Horned Lizard Populations in Runnels County, at Rolling N Ranches, LP – Crews North. Texas Academy of Science 121st Annual Meeting (Midland) 121:51

Ferguson, G.W., W.H. Gehrmann, K. B. Karsten, A. J. Landwer, E. N. Carman, T. C. Chen, M.F. Holick. 2005. “Ultraviolet Exposure and Vitamin D Synthesis in a sun-dwelling and a shade-dwelling species of Anolis: are there adaptations for lower UVB and dietary vitamin D3 availability in the shade?” Physiological and Biochemical Zoology 78(2):193-200.

C. A. Campbell, T. E. Lee, Jr. and A. J. Landwer. 2002. “Noteworthy records of Mammals from the Rolling Plains of Texas.” The Texas Journal of Science54(4):365-368.

Landwer, A. J., and G. W. Ferguson. 2002. “Long-term structural habitat use of male individuals of two native and one introduced Anolis (POLYCHROTIDAE) species on the north coast of Jamaica.” The Texas Journal of Science 54(1):51-58.

Landwer, A. J. and T. Lee. 2001. “New reptile and amphibian county records from the southern rolling plains of Texas.” Herpetological Review 32(2), 2001.

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