Name the author who passed away recently, who won Tony Award and the Olivier Award for writing 'Children of a Lesser God'.

Olivier and Tony awards winner for writing 'Children of a Lesser God', Mark Medoff passed away at the age of 79 at Mesilla Valley Hospice in Las Cruces, New Mexico after a prolonged battle with multiple myeloma, cancer, and renal failure. The screen adaptation of "Children of a Lesser God" earned an Oscar nomination. He was born on 18th March 1940 in Mount Carmel, Illinois, United States.'Children of a Lesser God' won the 1980 Tony award for Best Play which was about the tale of a love affair between a speech teacher and a deaf woman who struggle to overcome the communications gap.