Money, who was Kiwi writer Janet Frame's psychologist, was 84.

An essay by historian Michael King on the life of the eccentric professor of medical psychology at Johns Hopkins University in Baltimore, in the United States, is due to be published this month.

New Zealand film-maker Peter Jackson may be considering a movie featuring Money.

The essay is the last known complete work written by King, who died in a car accident in 2004.

Money had donated his large art collection, amassed while travelling around the world, to the Eastern Southland Gallery in Gore, which had impressed him during a visit with King.

The December 2003 opening of the John Money Wing was attended by Prime Minister Helen Clark and was one of Frame's last public outings before she died.

"We are very sad that John is gone because he was a good supporter," gallery curator Jim Geddes, who became a friend of the renowned sex researcher, said yesterday.

"Obviously, he was very keen that his collection would come back to New Zealand and he entrusted us with the gift."

King's work, titled The Splendours of Civilisation, was due out this week, Geddes said.

Money died last Saturday in a Baltimore hospital, a day before his 85th birthday, after a bad fall. He had also been suffering from Parkinson's disease.

Visitors to Money's Baltimore home had found it crammed with African sculpture, Aboriginal paintings, Polynesian carving and contemporary art, much of which is now in Gore.

In his final essay, King places Money in the generation of 20th-century artists, writers and a