That died of shame

be rebuilt, in a painstaking process involving the dismantling of sections by hand, with the bricks logged and stored for possible reuse.

Inns said: “The Mackintosh Building will be rebuilt and will be a working art school. We will rebuild so that ‘the Mack’ can continue to provide creative inspiration to students, staff and visitors.” However, the plan has sparked fierce debate, with critics questioning the suggested £200 million cost and insisting the new building would only ever be a fake Mackintosh.

Some have called for a contest for young artists and architects to design a new school while supporters insist famous buildings around the world have been rebuilt successfully.

Byrne, however, says it is irrelevant whether the art school is rebuilt, what matters is how and what students are taught inside.

He adds: “I really don’t care if they rebuild it or not – the soul of the art school is completely gone, never to return.”

Byrne, who attended the art school in the late ’50s, said the ethos of the school had been lost to the crass commercialism of modern art, embodied, for him, by the New York pop artist Jeff Koons who once sold a sculpture of an orange balloon dog for $58 million.

Byrne chooses not to name Koons but brands him“the Infantilist from Madison Avenue” and blames him for helping encourage young artists to believe becoming rich and famous should be their only ambition.

The Paisley-born artist has had an illustrious career from designing book covers, stage sets and album covers in the ’60s to criticallyacclaimed exhibitions of his paintings and popular success for his writing, including The Slab Boys trilogy of plays and TV’S Tutti Frutti and Your Cheatin’ Heart.

Last year, First Minister Nicola Sturgeon commissioned him to create Say It With A Kiss, her official Christmas card.