Start the Week - The Kremlin: A fortress that has shaped a nation

Start the Week is at the Radio 3 Free Thinking Festival in Gateshead. Anne McElvoy talks to the historian Catherine Merridale about the Kremlin - a Russian fortress which has retained its original medieval function to intimidate and control, and which holds a special place in the imagination. Few buildings in England inspire such fear, but Simon Thurley explores how the country's architecture has influenced the world. The Newcastle-born writer Michael Chaplin looks to the history of the River Tyne to understand the changing fortunes of the city and its population; and the Indian writer Amit Chaudhuri attempts to save the remnants of Calcutta's colonial past under its ever-changing skyline. Producer: Katy Hickman.

Start the Week - Paul Collier on Immigration Controls

On Start the Week Stephanie Flanders asks the head of the British Red Cross, Sir Nick Young, whether the charity's principle of neutrality is still as relevant today as it was 150 years ago. The journalist Lindsey Hilsum has reported on the major international conflicts and atrocities in the last few decades and wrestles with the moral complexities of being neutral and impartial. Making judgements about who deserves to be helped and how many, concerns the economist Paul Collier, as he attempts to defuse the explosive subject of immigration. And the Conservative MP Kwasi Kwarteng proposes selling working visas to the highest bidder. Producer: Katy Hickman.

Start the Week - Grayson Perry on contemporary art

Tom Sutcliffe discusses the role and place of contemporary art in today's global, digital world with the artist Grayson Perry. While the Director of Tate Britain Penelope Curtis looks back to a time when images held such power and caused such outrage that they had to be destroyed, in an exhibition on iconoclasm. Philip Davis offers a defence of the value of reading serious literature. And Nicholas Lovell looks at the money that artists can make, using the internet to change the way they relate to their fans. Producer: Katy Hickman.

More or Less: Behind the Stats - The Hawthorne Effect

Tim Harford tells the story of the Hawthorne Experiments, one of the most famous social studies of the Twentieth Century. The finding ? that workers are more productive if they are given attention - became known as the Hawthorne Effect. And he hears how the original data are now casting doubt on the legendary results. This programme was first broadcast on the BBC World Service.

Start the Week - Victorian Revivalism

Anne McElvoy looks back to the Victorian age with Simon Heffer who argues it laid the foundations for modern society, from the evolution of British democracy, to new attitudes to education, religion and science. Professor of British Government, Anthony King, considers if the blunders of today's parliamentarians has anything on the antics of Gladstone and Disraeli. But the writer DJ Taylor believes it's the era's novels which have left a lasting impression. And the curator Sonia Solicari has created a miscellany of curiosities in her exhibition of contemporary artists influenced and inspired by Victoriana.

Producer: Katy Hickman.

Start the Week - Victorian Revivalism

Anne McElvoy looks back to the Victorian age with Simon Heffer who argues it laid the foundations for modern society, from the evolution of British democracy, to new attitudes to education, religion and science. Professor of British Government, Anthony King, considers if the blunders of today's parliamentarians has anything on the antics of Gladstone and Disraeli. But the writer DJ Taylor believes it's the era's novels which have left a lasting impression. And the curator Sonia Solicari has created a miscellany of curiosities in her exhibition of contemporary artists influenced and inspired by Victoriana.

Producer: Katy Hickman.