Kate Douglas Wiggin, nee Smith (1856-1923) was an American children's author and educator. She was born in Philadelphia, and was of Welsh descent. She started the first free kindergarten in San Francisco in 1878 (the "Silver Street Free Kindergarten"). With her sister in the 1880s she also established a training school for kindergarten teachers. Her best known books are The Story of Pasty (1883), The Birds' Christmas Carol (1887), Polly Oliver's Problem (1893), A Cathedral Courtship (1893), The Village Watchtoer (1896), Marm Lisa (1897) and Rebecca of Sunnybrook Farm (1903).