Hagar Wilde (July 7, 1905 ? September 25, 1971) was a writer for Hollywood films and television shows in the late thirties till the late fifties. Her work includes co-writing the screenplay for Bringing Up Baby (for which she had also written the original story, published in the mass-market magazine Collier's Weekly), starring Katharine Hepburn and Cary Grant, and was directed by Howard Hawks.

There is no information about the story available on Wikipedia at this time, but here is a link to the film entry.