Florence Ryerson

Florence Ryerson (September 20, 1892 – June 8, 1965) was an American playwright, screenwriter and co-author of the script for the 1939 film "The Wizard of Oz." Between 1915 and 1927 she published more than 30 short stories and then joined Metro-Goldwyn-Mayer in 1926 to work on silent film scripts. In 1930 and 1933 she and her husband wrote two of the earliest books about teenage girlhood.