Bill Viola, a pioneer of sound and video art – and in person slight, gentle and of a spiritual bent – is a true artworld heavy weight. Any Viola show is an event. And one as large as his new show at ...

American artist Bill Viola has died in California aged 73 after a long battle with Alzheimer’s disease, with the news confirmed by his gallery, James Cohan. ‘Most of my works have no words, nor do ...