- Thousands of Australians were placed into internment camps during both world wars
- Gerhard Warschauer, a German Jew, was arrested despite being a refugee
- His family are identifying the ways internment affected Mr Warschauer's later life
"There was a thought he was in a position to commit acts of sabotage — that's the reason that they gave for locking him away,"he said.
"It should be better known, in part because it's an issue which hasn't gone away,"he said.
"In my heart it's very painful and when I first started getting the internment filesI was scared to see what they said.