How do you design a roller coaster? What was it like on the North Sea oil rigs in the 1980s? What did you learn in the steel yards? Hanif Kara, recipient of this year’s Soane Medal led the engineering on the Peckham Library by Will Alsop, the Phaeno Science Centre by Zaha Hadid Architects amongst...

Tim talks to Selina Anttinen, founding partner of Anttinen Oiva Architects with her husband Vesa Oiva. So successful have the practice been in their native Helsinki, from designing the main library of the University of Helsinki in 2008 to leading the reimagining of the city’s central harbour with...