Lynn Arnold was deeply disturbed by television coverage of the Vietnam War when he was still at high school. Later, as a student at Adelaide University, he assumed a prominent role in campaigning against the war, collaborating with other activists from a diverse range of backgrounds and political positions. The experience of this long campaign informed his subsequent career as a politician, including a term as Premier of South Australia in the early 1990s.

There was very much an idea of people power – a belief that people working together could make a difference. We had to confront the government but we also had to shift public opinion. It was a long-term campaign…