The Bouroullec Brothers, Paris 2011
Ronan (left, the older) and Erwan, though aged around 40, have already had a prestigious Paris retrospective.

Barbara writes:
The Bouroullec Brothers, Ronan, the eldest (left) and Erwan (right), were at the huge Paris trade fair Maison & Object, 2011, where they were "designers of the year". Brought up in Brittany, both brothers went to college in Paris, where Ronan studied design and Erwan art. Now they do everything jointly.
Their official photos tend to be on the serious side. But with me they are always been so light-hearted and generous with their time, with a poetic flow of conversation filled with ideas and allusions. I have tried to capture something of these sparks and this essential gaiety. Not that these designers are in any way light-weight. They have designed many many products for a clutch of big brands, including Vitra and Ligne Roset, and they take their responsibilities as designers very seriously.
In 2012, their installation Textile Fields at the V&A for the London Design Festival was a wild success.
In 2013 their stunning installations featured in a retrospective (modestly called "Momentané" or momentary) at the Musee des Arts Decoratifs, which I flitted over on Eurostar to see.
Here, the entrance was dominated by a huge screen of Algue (seaweed), the interlocking plastic pieces which are sold in packs by Vitra, their Swiss manufacturer (around eight million of them in nine years).