Walter was born on April 29th, 1927 in Bécs.1 Walter's father was Hans Thirring and his mother was Antónia Krisch. His paternal grandparents were Gyula Thirring and Marietta Malovich. He had a brother named Harald. He was the younger of the two children. He died at the age of 87 on August 19th, 2014 in USA.1