From the BBC:
Storm Thorgerson, whose album cover artwork includes Pink Floyd’s The Dark Side of the Moon, has died aged 69, the band’s management has confirmed.
A childhood friend of the founding members of the band, he became their designer-in-chief, fashioning a string of eye-catching creations.
He designed the cover showing a prism spreading a spectrum of colour for The Dark Side Of The Moon.
His credits also include albums by Led Zeppelin, Peter Gabriel and Muse.
• Storm Thorgerson: http://en.wikipedia.org/wiki/Storm_Thorgerson