Australian acting icon Jack Thompson unearths more than a couple of surprises - and significant Australian heritage-but where does he come from and who does he think he is?
Geoffrey Robertson QC believes that it is nature not nurture that shapes our moral integrity, but does his family history provide an aside to his theory?
Media personality and publisher Ita Buttrose discovers determination and drive may be hereditary as she puts her journalistic skills to the test to trace her global family.
