I've just found this obituary on the Thursday Island Noticeboard facebook page. I had lived and worked on Thursday Island in 1977 but never heard of him. All I could find on naa.gov.au were some immigration documents from 1965 when he arrived in Australia.
His processing through the Bonegilla Migrant Camp:
Who was Helmut Schramm? I posed this question on their facebook page and hope to receive some replies.