Mary Brooks Picken (1886-1981) was an influential American author of numerous books on needlework, sewing, and textile arts. She founded the Women's Institute of Domestic Arts and Sciences in Scranton, PA. A fashion expert and author, Picken was an authority on dress, fabric, design, and sewing. She taught "Economics of Fashion" at Columbia University and was one of the five founding directors of the Costume Institute. She was the first woman to be named a trustee of the Fashion Institute of Technology. She was a member of the National Academy of Sciences National Research Council Advisory Committee on Women's Clothing that selected Hattie Carnegie as the designer of the United States Army's women's uniform and provided advice and assistance on all elements of the women's uniform beginning in 1949. She was a founder of the Fashion Group and served as its Chairman of the Board. Among her ninety-six books on sewing and fashion, she is notable for being the first female author of a dictionary in the English language: The Fashion Dictionary (1957). Her other works include: Underwear and Lingerie (1921) and Tailored Pockets (1922).