Extract the answer to the question from the following context.
Question: When was Gerhard Domagk publicly  bestowed for his creation of Prontosil?
Context: The first sulfonamide and first commercially available antibacterial, Prontosil, was developed by a research team led by Gerhard Domagk in 1932 at the Bayer Laboratories of the IG Farben conglomerate in Germany. Domagk received the 1939 Nobel Prize for Medicine for his efforts. Prontosil had a relatively broad effect against Gram-positive cocci, but not against enterobacteria. Research was stimulated apace by its success. The discovery and development of this sulfonamide drug opened the era of antibacterials.
1939
The context of this question mentions that Domagk received the Nobel Prize in 1939. Therefore, he was publicly bestowed for his creation of Prontosil in 1939..