Following Sir Anthony Meyer's challenge to Margaret Thatcher in 1989, Sir Geoffrey Howe's resignation and resignation speech brought about the end of her premiership in 1990. But there is much more to Welshman Sir Geoffrey than this moment of infamy, as Crispin John recalls.

Series editor Daran Hill profiles Sir Anthony Meyer, the only MP for Flintshire to have imagined the county was in Scotland, and more notably the famous stalking horse who tried to unseat Margaret Thatcher as Leader of the Conservative Party in 1989.

The first conscientious objector elected to Westminster and a formidable Labour politician between the wars, the life of Morgan Jones is retold by Wayne David MP, his biographer and successor as MP for Caerphilly.

Not an elected politician this time, but someone with significant international impact. Dr Jean Silvan Evans profiles Audrey Jones, the feminist, internationalist, campaigner and educator who is one of the most significant women in shaping modern Wales. 

We've got there: Welsh communications executive and political commentator, Theo Davies Lewis, offers a critique of David Lloyd George, perhaps the greatest of all Welsh Political Icons

Pembrokeshire raised historian Sam Blaxland takes a detailed look at the career of the county's former MP Nicholas Edwards, later Lord Crickhowell, who still holds the record as the longest serving Secretary of State for Wales

Cardiff Councillor Mia Rees offers her skilled analysis of Baroness Tanni Grey-Thompson, the champion of disabled people and one of Wales' most impressive ever athletes

Few Welsh people can be described as having created a country, but Sir Samuel Griffith was one of the founding fathers of Australia. The life of the lawyer and statesman born in Wales - and who died a century ago today - is examined by the barrister and Plaid Cymru candidate Rhys ab Owen Thomas

Hefin David MS, the current Senedd Member for Caerphilly, offers a detailed and personal overview of his predecessor Ron Davies, whom he describes as a man with a great political legacy despite an air of unfulfilled destiny about his long and fascinating political career.

Crispin John turns his gaze to Leo Abse, the former MP for Pontypool (later Torfaen), remembered as a pioneering Labour social reformer and one of the most effective backbenchers of all time with a remarkable record of liberal Private Members Bills