Answer
B. Paul Ehrlich
Work Step by Step
Paul Ehrlich sought a "magic bullet" to destroy pathogens. Unfortunately Alexander Flemming was the one who discovered penicillin in 1929.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.