Mesothelioma News APPEAL…Ron and Joan Ball. By Mesothelioma News June 6, 2014 June 6, 2014 Mesothelioma News THE heartbroken Penkridge widow of an ex-miner is urging his former colleagues to come forward amid fears more could have been done to protect him from deadly coal dust. APPEAL…Ron and Joan Ball. Germline BAP1 mutations predispose to malignant mesothelioma.