Eh, I would be very much interested to write a book on "History of Middle Earth: Genetic Experiments in the First Age" featuring notes by our esteemed Bio-engineer Melkor, and his top assistant Sauron, so credited for the break-through in developing the sun-resistent Olog-hai. Other famous Biologist should include Saruman of the Many Colors, whose Uruk-hai is a wonder of the Third Age...
