Rearranging the letters of 'Stephen William Hawking' (Cosmologist, science writer b. 1942) gives:
When willing, I speak Math.
(by V.Rabin) (2003)
Other related anagrams without their own page:
"The theoretical physicist Stephen William Hawking" -> ""Time/space was spherical" thinking? - Hey, to hell with it!" (by David Bourke using Anagram Genius) (2004)
"Stephen Hawking" -> "Pawn? He's the King!" (by Mick Tully using Anagram Genius) (2003)
"Stephen Hawking" -> "P.S. He knew a thing." (by Rick Rothstein using Anagram Genius) (2003)
"Isaac Newton" -> "Was once a nit." (by Stanley Accrington by hand) (1994)