The Hard Problem review – Tom Stoppard tackles momentous ideas  theguardian.com Wed, 28th January 2015

The Hard Problem, National Theatre  The Arts Desk Thu, 29th January 2015

The Progress 1000: London's most influential people 2015 - Theatre  London Evening Standard Fri, 18th September 2015

Tom Stoppard says audiences don't get his references – is that a hard problem?  theguardian.com Mon, 9th February 2015

The Sound of Music Live review, ITV, 2015  The Stage Mon, 21st December 2015

Anthony Calf (Actor) - Broadway & Theatre Credits, Current Shows, News, Bio  BroadwayWorld Sun, 22nd January 2017