 A marriage to Rosine Agnes Shafer Brubeck lasted from July 29, 1932 to her death on September 2, 1934.In 1933, Baum, credited as "Col. Frank Baum" may also have written Ted Eshbaugh's animated short, "The Wizard of Oz", or he may simply have negotiated the license.Baum was undaunted, and claimed to have written a 1931 radio drama called "Tweety in Oz", though no script has ever been found, which he followed with a 1934 story, "Jimmy Bulber in Oz", which was printed in order to achieve a trademark on the name "Oz" (it would later be reprinted in the International Wizard of Oz Club's "Oziana").