Born in Detroit, Michigan, Greg Hildebrandt (b. 1939) and Tim Hildebrandt began professionally painting in 1959. They are best known for their popular The Lord of the Rings calendar illustrations. Individually, Greg is also famous for his contributions to the art for the Trans-Siberian Orchestra’s albums and concert merchandise. He also provided the cover art for Black Sabbath’s Mob Rules album. He started his American Beauties pinup art in 1999, which benefits the families of the fallen firefighters and EMS workers in New York.