Education and gay rights activist Robin Duff has died this morning.
Mr Duff, the senior vice president of the Post Primary Teachers' Association (PPTA), died at Christchurch Hospital surrounded by his family and friends, the PPTA said in a statement.
Paying tribute to the long-time activist, PPTA president Angela Roberts said: "Robin has been a caring and vibrant part of the association for many years and will be sorely missed."
Mr Duff was a senior figure in the association for 10 years, serving as junior vice president from 2005 to 2007, president from 2007 to 2009 and again from 2011 to 2013, the PPTA said.
He sat as senior vice president from 2009 to 2011 and 2013 until his death this morning.