The Guardian   Charles Darwent   Video artist who melded the material and the spiritual and applied modern technology to Renaissance subjects. In 1957, on a family holiday, Bill Viola fell in a lake. He was six years old. Sixty years later, Viola, who has died aged 73, recalled the

The Guardian   Charles Darwent   Pop artist famed for his ‘soft sculptures’ and outsized monuments to everyday objects Had the ideas of Claes Oldenburg been realised, Piccadilly Circus would have had as its hub not a 19th-century sculpture of Eros but a cluster of 8m-high orange lip