Cover page of Being gay: punishment or blessing?
Author: Prof. Dr. Hendrik Pretorius
CC BY-SA 3.0
The original image is available on the website of the Braxton University <a rel="nofollow" class="external autonumber" href="http://www.ubrax.com/wikimedia/hendrik_pretorius_being_gay_punishment_or_blessing_wiki.jpg">[1]</a>.