The New York organisation has disbursed more than $200m in cash grants and art donations since the artist's death in 1987
Movie producer Joe Simon-Whelan sues, believing his work is genuine
The Andy Warhol Foundation for the Visual Arts has awarded the museum $600,000
A source close to the Andy Warhol Authentication Board hints at a change of heart
This is the first time a complete set of the series is on offer
Denying the artist’s homosexuality makes his work more saleable, she says
Esther Robinson’s engrossing movie includes footage of several of Williams’ films
Alan Yentob shines a revealing light on the secretive world of the Warhol Authentication Board
The Warhol Foundation adds curatorial experts to attempt to ease the controversy surrounding its authentication board
The panel has agreed to reveal, on a case-by-case basis, why it rejects works, but the process is still far from transparent
Corbis already represents the archives of Christie’s, Reuters, Condé Nast, and the Ansel Adams Trust
The money is being given to Creative Capital, a nonprofit picking up the slack in arts funding
The board acknowledges that the artist “employed assistants”, but says that he “carefully supervised them”
The panel has attracted controversy for refusing to authenticate works attributed by their owners to Warhol
Four people are responsible for establishing whether works by the artist are authentic. Their decision is final. Now they are under attack by collectors who say they have ulterior motives for rejecting works
These never-before-seen works show a more personal side of the artist
C&M Arts, Gagosian Gallery, and Paul Kasmin all jump on the bandwagon
The blockbuster show comes to the US via London
The foundation has licensed Warhol imagery for around 13 years
It will comprise of six volumes, beginning with his production from 1961 to 1963
Mr Hayes was told that he was only owed $3.5 million
The Andy Warhol Foundation is appealing the case, which will be heard in October
The judge’s ruling resolves the crux of the legal war between the foundation and the lawyer for Warhol’s estate
Christie's in the dock over whether Warhol's estate is worth $220 million or $558 million
The series known as “Cars” opens the season at the Juan March Foundation