one in Canberra or near Canberra, one in a capital city, and one in the country ... I accepted almost any invitation I could get to give a lecture ... my price was that if I spoke to group of adults ... I would address the local high school and this paid off amazingly well in a direction that had never occurred to me, because in a high school audience there is generally a nephew or a niece of a Member of Parliament, and all the Members of Parliament learned about it.