Knoll Barber Osgerby Sofa with ChaiseThe Sofa Collection by Ed Barber and Jay Osgerby is their first collaboration with Knoll and was presented at the Salone del Mobile 2013, as Knoll celebrated their 75th anniversary. The Family consists of different size sofas and armchairs, each design contrasts and balances the soft (curves) with the architectural (stitched seams). As Barber & Osgerby put it: Given a sofa's scale and prominence in a room, we felt the pieces should be formally