The Dictator Hunter

Reed Brody is a lawyer from New York who has dedicated his career to bringing dictators around the world to justice. His latest catch is Chad's former leader Hissene Habre.

Ella al-Shamahi is a palaeoanthropologist who specialises in cave digs in hostile environments. She is also a stand-up comedian.

Chen Yang - known as Ms Chen - is an elite bodyguard from Beijing. Female bodyguards are highly valued by China's wealthy for their stealth and discretion.

Olafur Eliasson is a Danish-Icelandic artist whose work has vowed crowds in New York with his huge man-made waterfalls and in London's Tate Modern gallery with an enormous glowing sun.

(Photo: Reed Brody. Credit: Seyllou/AFP/Getty Images)