Ball also found himself at the center of controversy in February 2011 when he told an anonymous interviewer that Michael E. Mann , director of the Earth System Science Center at Pennsylvania State University , " should be in the State Pen , not Penn State , " due to Mann 's role in the Climatic Research Unit email controversy . Mann then sued Ball for libel , and stated that he was seeking punitive damages and for the article to be removed from the Frontier Centre for Public Policy 's website , on which it was originally published . On 7 June 2019 the Frontier Centre For Public Policy published a retraction and apology for the " untrue and disparaging accusations which impugned the character of Dr. Michael Mann " . This did not settle Mann 's claims against Ball , who remained a defendant
Climatic Research Unit email controversy
Climatic Research Unit email controversy
Tim Ball