Gertrude Stein (1874-1946) was an American novelist and art collector. She is best known her contributions to literary modernism. Wikipedia says,
"Her books include Q.E.D. (1903), about a lesbian romantic affair involving several of Stein's friends; Fernhurst, a fictional story about a love triangle; Three Lives (1905-06); The Making of Americans (1902-1911); and Tender Buttons (1914)." (Wikipedia: Gertrude Stein, 9.13.21 UTC 10:00)
Wikipedia also says,
"By early 1906, Leo and Gertrude Stein's studio had many paintings by Henri Manguin, Pierre Bonnard, Pablo Picasso, Paul Cézanne, Pierre-Auguste Renoir, Honoré Daumier, Henri Matisse and Henri de Toulouse-Lautrec." (Wikipedia: Gertrude Stein, 9.13.21 UTC 10:00)
The rest of this quote is some quotes from Stein.
Innovation
"The creator of the new composition in the arts is an outlaw until he is a classic." (Composition as Explanation, 1926)
"For a very long time everybody refuses and then almost without a pause almost everybody accepts. In the history of the history of the refused in the arts and literature the rapidity of the change is always startling." (Composition as Explanation, 1926)