Answer: penicillin

AnswerCrossword Clue
PENICILLIN

Sir Alexander Fleming discovery of 1928

PENICILLIN

Sir Alexander Fleming's discovery

PENICILLIN

Sir Alexander Fleming's gift to the world.

PENICILLIN
Life-saver.
PENICILLIN
Man's new anti-disease ally.
PENICILLINDr. Fleming's miracle.
PENICILLINSir Alexander Fleming's discovery: 1928
PENICILLINDrug introduced commercially in 1945
PENICILLINSir Alexander Fleming's antibiotic
PENICILLINMedical discovery of 1928