From "The Guardian", August 2, 2001.
In 1957, his Claudius in Hamlet was praised by Kenneth Tynan, who described Gwillam's performance as that of "an iron-headed general at the awkward age, slightly ashamed of having fallen in love - an original conception of which Coral Browne's voluptuous Queen makes splendid sense".
http://www.guardian.co.uk/obituaries/story/0,,531005,00.html