Multiple choice Directions: In which year given discovery/invention was made: Sulpha Drugs 1880 1858 1939 1932 Reveal answer Fill a bubble to check yourself D Correct answer Explanation Sulfonamide antibiotics, the first broadly effective antibacterial drugs, were discovered by Gerhard Domagk in 1932. Prontosil, the first sulfa drug, was found to treat bacterial infections effectively.