Gertrude Stein (1874-1946) was born in Pittsburgh to a prosperous German-Jewish family. She was educated in France and the United States, worked under the pioneering psychologist William James, and later studied medicine. With her brother Leo she was an important patron of the arts, acquiring works by many contemporary artists, most famously Picasso, while her home became a popular meeting place for writers and painters from Matisse to Hemingway. Her books include Three Lives, Tender Buttons, and The Autobiography of Alice B. Toklas. Clement Hurd (1908-1988) is best known for illustrating Goodnight Moon and The Runaway Bunny, the classic picture books by Margaret Wise Brown. He studied painting in Paris with Fernand Leger and others in the early 1930s. After his return to the United States in 1935, he began to work in children's books. He illustrated more than one hundred books, many of them with his wife, Edith Thacher Hurd, including the Johnny Lion books, The Day the Sun Danced, and The Merry Chase. A native of New York City, he lived most of his life in Vermont and California. Clement Hurd (1908-1988) se graduo de Yale University. Estudio pintura en Paris en los anos 1930 con Fernand Leger, entre otros. Alli fue donde desarrollo su estilo caracteristico, compuesto de colores de fuerte contraste. Hurd estuvo casado con la escritora Edith Thacher Hurd, con quien tambien creo muchos libros que se convirtieron en favoritos de los ninos. Thacher Hurd is the award-winning author and illustrator of several children's books. He lives with his wife, Olivia, in Berkeley, California. Thacher Hurd es un autor e ilustrador que ha recibido varios premios por sus libros para ninos. Vive con su esposa, Olivia, en Berkeley, California.