- In 1694, Johann Jakob Harder described a large gland in the medial upper quadrant of the orbit in a deer.  Today, we know that it exists in many mammals and reptiles.  Subsequently, this gland became known as the Harderian gland, although its function is still not completely elucidated.

Reference:
1. Color Atlas of Cytology, Histology, and Microscopic Anatomy 4th Edition. Wolfgang Kuehnel, M.D. Thieme Publications. 2003.