But by the age of 20 he had left for Europe, where he met Picasso and other important avant-gardists.

Another important milestone in their collecting lives came in 1948 when they decided to try to meet Picasso.

The sequence starts on April 19, 1957, the day that Lump met Picasso.

She met Picasso at the Bateau-Lavoir in 1904, and by the next year they were living together.

Finally, at the age of 21 she met Picasso.

In the fifties he traveled to France where he met Picasso.

Roque, who met Picasso in 1953 and married him in 1961, was the last of his many muses.

Hockney never met Picasso - "too in awe of him.

People say to me, did you meet Picasso?

"I was an artist before I ever met Picasso," she emphatically explained.