Richard Burton obituary

Architect who was a pioneer in design for energy conservationRichard Burton, who has died aged 83, was a third of the architectural partnership of Ahrends, Burton & Koralek (ABK), alongside Peter Ahrends and Paul Koralek. It is not particularly rare that three architects should meet as students and go on to practise together, but most unusual that all three should be involved in design and should remain lifelong friends. The partnership survived controversy when its competition-winning exten