John Howe

from comic-con.org:
One of the world's most renowned fantasy artists, John Howe is best known for his definitive vision of J. R. R. Tolkien's Middle Earth, for illustrating epics such as Beowulf, and for as his work as concept designer, alongside Alan Lee, on the Lord of the Rings film trilogy. He is a prominent and active member of the worldwide fantasy art community and holds regular exhibitions and lectures on his work around the world. He has published several books featuring his art, the latest being John Howe Fantasy Art Workshop from Impact Books.