You are all a lost generation," Gertrude Stein said to Hemingway. We weren't lost. We knew where we were, all right, but we wouldn't go home. Ours was the generation that stayed up all night.

It took the Metropolitan Museum of Art nearly 50 years to wake up to Pablo Picasso. It didn't own one of his paintings until 1946 when Gertrude Stein bequeathed that indomitable quasi-Cubistic picture of herself - a portrait of the writer as a sumo Buddha - to the Met principally because she disliked the Museum of Modern Art.