Sultan, in his shelter, 11km from the Eurotunnel terminal
©Charlie Bibby

Sudanese migrant in the Calais ‘jungle’

After leaving his family in Darfur, Sultan now lives in a tent shelter, waiting for his chance to cross the Channel

Cornell University professor Daniel Huttenlocher
©Sara Hylton

The professor leading NYC’s answer to MIT

Daniel Huttenlocher’s latest project, after Xerox software and his lakeside home, is his biggest undertaking yet

Jean-Louis Remilleux in the Salon De L’Arcade of Château de Digoine
©Félix Ledru

French TV producer’s Château de Digoine

Jean-Louis Remilleux talks about his mission to bring heritage home’s 19th-century theatre back into use

The 13th Duke of Argyll at Inveraray Castle
©Robert Ormerod

Torquhil Campbell, the Duke of Argyll

The Scottish peer fears SNP proposals on inheritance could make castles like his financially unsustainable

Jin Xing
©Jonathan Browning

China’s sex-change answer to Oprah

Jin Xing, who was born a boy, tells how she became one of her country’s top dancers and a TV celebrity

Gareth Neame
©Victoria Birkinshaw

Gareth Neame, the ‘Downton Abbey’ man

TV producer talks about Britain’s ‘negative’ class system and why the BBC must be protected

Dame Tessa Jowell at her home
©Chris Winter

Tessa Jowell: next mayor of London?

The former Labour minister aims to apply the Olympics model to help tackle the capital’s housing crisis

Yusuf Hamied in his home office ‘den’
©Carl Bigmore

Chemist and Cipla chief Yusuf Hamied

Battle to make cheaper HIV drugs has helped save millions of lives

Henry Marsh with his beehives
©David Sandison

Henry Marsh: brain surgery and beekeeping

The star of the English Surgeon on his ‘bodge’ DIY jobs and the buzz of the operating theatre

Evan Wolfson in his apartment
©Brian Shumway

Gay marriage crusader Evan Wolfson

The lawyer has helped win 65 court rulings in the past two years

A trashpicker’s life in a Shanghai ‘hole’

Meet Cao — a migrant who makes a living from the city’s detritus

Lord March at Goodwood House

Meet the man who turned the historic property into a motor-racing mecca

Saviour of New York’s Central Park

Writer and landscape preservationist Elizabeth Barlow Rogers on restoring the ‘jewel of the city’

Dame Sally Davies, chief medical officer

England’s health chief on people’s lack of exercise, alcohol consumption and our growing resistance to antibiotics

French architect Christian de Portzamparc

The Pritzker Prize-winner is a favourite of skyscraper developers, but his home in Paris is a humble, low-key place

Howard Lerman, co-founder of Yext

The man behind the online data service discusses tech start-ups and why he identifies his staff by personality type

Scientist and singer Nazneen Rahman

UK cancer specialist talks about medical breakthroughs and her musical career

Greek archaeologist Nikos Stampolidis

The professor splits his time between excavations in Crete and running Athens’ Museum of Cycladic Art

UK fertility watchdog chair Sally Cheshire

The former consultant is helping Britain become the first country to adopt a controversial IVF technique

French count Jacques von Polier in Moscow

The businessman is a vocal supporter of Putin but is perhaps best known for his wild house parties