Pablo Picasso (1881–1973) is the colossus of 20th Century art, legendary for his gargantuan capacities for both consuming life and producing art.

Gertrude Stein (1874–1946) was an art critic, one of the first collectors of Cubism, and author of The Autobiography of Alice B. Toklas (1933).

Laurence Madeline is curator of the Musée Picasso in Paris, and custodian of the Picasso Archives.