Education leader and gay rights activist Robin Duff has died at the age of 67.
He began his teaching career at Burnside High School in Christchurch in 1973 and was the president of the Post Primary Teacher's Association (PPTA) from 2007 to 2009 and again from 2011 until 2013.
PPTA president Angela Roberts said Mr Duff did exceptional work to make schools a better place for lesbian, gay, bisexual, transgender and intersex students.
She said Mr Duff also worked hard supporting Canterbury teachers through the earthquakes.
He died in Christchurch Hospital surrounded by family and friends.