Emmet Lavery
In 1949 , Lavery wrote his play "The Song at the Scaffold" , adapted from the novel "Die Letzte am Schafott" by Gertrud von Le Fort . In April–May 1949 , Lavery had secured a contract from von Le Fort that granted him all rights to theatrical adaptations of her novel , and formally had declared his own play to be 'the only authorized dramatic version of the novel' . 
<triplet> the 1950 film version. <subj> Francis Biddle <obj> screenwriter