He was a partner in the influential firm of Gordon & Dey which specialised in college buildings and had a long-running working relationship with Moray House School of Education.
He was the son of Alexander John Dey FRSE (1868-1937) a pharmaceutical and manufacturing chemist, originally from Rothiemay,[1] and his wife Isabella Scott Robertson.
[4] In December 1935 he qualified RIBA, giving both his home and business address as Rothiemay, 22 St John’s Road, Edinburgh: a large Victorian villa on the east side of Corstorphine.
In 1936 he briefly joined the City Architect’s Department under Ebenezer James MacRae and undertook the condition survey of the Canongate prior to its redevelopment.
Initially he joined the Scots Guards but then undertook officer training at Sandhurst and received a commission to serve in the Gordon Highlanders.