In 1951 Princess Elizabeth and Prince Philip visited North America.

Seventeen years ago Mike Joy went down to his local river to take his niece and nephew for a swim. What he discovered that day changed his life, and continues to dominate it - the health, or otherwise of our fresh waterways. Mike's discovered for himself that speaking can win supporters, as well as detractors - you can even get offside with Prime Ministers.

Ceri Wells is a patent lawyer who specilises in helping people to protect the product of their brainwave.

A recording of Princess Elizabeth - than aged 20, speaking at Empire Day celebrations in London in 1946.

The popularity of Royalty may have waned in this country, but the Chair of Monarchy New Zealand Sean Palmer says that's no reason to do away with the monarchy, and the poltical stablity it offers.

Lewis Holden is a 27-year-old law and commerce graduate. He's also the chair of the Republican Movement in New Zealand. He became aligned to the movement when he was just 17 - after reading a book on New Zealand and republicanism.

Elizabeth Windsor was only 27 at her coronation but preparation for the role she was born to, took place very early on. Here's a recording of Princess Elizabeth made in 1940, when she was just 14 years old.

Political economist and economic historian Keith Rankin wants change. He is one of a growing number of New Zealanders who say it's time to rethink and overhaul our holidays.

Historian talks about the way early prisoners in Dunedin were treated.

Patrick Spotiswode is Director of Education at Shakespeare's Globe and a judge in the University of Otago Sheilagh Winn Shakespeare Festival 2011. Brie Cox and Alice Sherwood-King are students who have been taking part in the National Sheilah Winn Shakespeare Festival. They perform an excerpt from Shakespeare's 'Cymbeline'.