An Eden in Paris: botanist Patrick Blanc

The creator of vertical gardens shares his home in the suburbs with lizards, frogs, birds — and 268 plant species

Dame Anne Glover
©Michael Thomas Jones

Scientist Dame Anne Glover

The ex-chief scientific adviser to Europe on working with bureaucracy and sexism in science

Sam Calagione in his garage, which doubles as a Dogfish office
©Albert Yee

US craft beer maker Sam Calagione

The founder of Dogfish Head Brewery explains his enthusiasm for using unusual ingredients and unconventional names

Architect Chris Wilkinson in his Dulwich House - large painting in the garden room (behind Chris in portrait) is by Johnny Dewe Mathews
©Rob Greig

Architect Chris Wilkinson bares his soul

The architect revamping London’s Battersea Power Station explains why he decided to exhibit his sketchbooks dating back decades

Caroline Scheufele
©Clara Tuma

Caroline Scheufele of jeweller Chopard

The watchmaker’s co-president and artistic director on the Swiss-based company’s use of ethically sourced gold

©Greg Kahn/Grain

French diplomat ruffles feathers in the US

Gérard Araud, ambassador to the US and outspoken tweeter, on how Washington is mostly PR

Georg Huf
©Frank Beer

Huf Haus chief on life without walls

The director of the German prefab homebuilder is an evangelist for open-plan, green living

Daryush Shayegan in his Tehran apartment
©Ebrahim Mirmalek

Daryush Shayegan, Iranian intellectual

The academic and polymath talks about his school in England, exile in Paris and the cultural cross-pollination of east and west

Margot Wallstrom in her private quarters at the Ministry for Foreign Affairs
©Lina Haskel

Swedish foreign minister, Margot Wallstrom

The outspoken politician on feminist foreign policy and why the EU must do more to help asylum seekers

Politician and cricket legend Imran Khan

Former Pakistan captain says when he first visited the hilltop in Islamabad that would become his home it was ‘love at first sight’

Smart-home pioneer Tony Fadell

The ‘Godfather of the iPod’ lives in a house near San Francisco that is deceivingly gadget-free

UK horseracing chief Simon Bazalgette

Jockey Club’s chief executive on his efforts to restructure the sport — and why he may have Moorish origins

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

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

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

Torquhil Campbell, the Duke of Argyll

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

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, the ‘Downton Abbey’ man

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

Tessa Jowell: next mayor of London?

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

Chemist and Cipla chief Yusuf Hamied

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