Stanley Donwood

Stanley Donwood is the pen name of English writer and artist Dan Rickwood. He is probably best known for his close association with the British rock group Radiohead, having created all their album and poster art since the My Iron Lung EP (1994). Since 1996, he has also collaborated with Radiohead frontman Thom Yorke and others on the band's websites, and appeared in the occasional band webcast and the 2001 Grammy Award ceremony.

www.slowlydownward.com

M.C. Hesher

Maurits Cornelis Escher (June 17, 1898 – March 27, 1972), usually referred to as M. C. Escher (IPA: ['ɛsxəɾ]), was a Dutch graphic artist. He is known for his often mathematically inspired woodcuts, lithographs and mezzotints. These feature impossible constructions, explorations of infinity, architecture and tessellations.

www.mcescher.com