Thomas Heatherwick – one of the UK’s most prolific designers – talks about his work, characterised by originality, inventiveness and humanity. He founded his studio in 1994 to bring together architecture, urban planning, product design and interiors into a single creative workspace, now comprising 200 makers and inventors. The team is currently working on more than 30 projects in ten countries, including Google's HQ in London. Recently completed are Bay View and Gradient Canopy, Google’s first purpose-built campuses in California, the Zeitz Museum of Contemporary Art Africa in Cape Town and Coal Drops Yard in London’s King’s Cross. Heatherwick talks to technology entrepreneur and creative leader Suhair Khan.