Derek Senior died in 1988.
Derek Senior was born in 1912.
Derek Senior has written: 'Your architect' -- subject(s): Architecture, Vocational guidance
Derek Walcott is still alive.
Derek Goodwin died in 2008.
Derek Whiteford died in 2002.
Derek Bryan died in 2003.
Derek Levick died in 2004.
Derek Cole died in 2006.
Derek Cooper died in 2007.
Derek Brewer died in 2008.
Derek Patmore died in 1972.
Derek Nicholls died in 2010.