Early Life, Family and Training Rudolf Junk was born into a family that provided a stable, if unremarkable, foundation for his later technical precision. He was the son of David Valentin Junk, a construction technician, and Wilhelmine, née Klier. His early education followed a standard trajectory through the kindergarten and elementary schools of Vienna. By 1894, he had moved on to the Stiftsgymnasium Melk, a period that placed him alo…