He DISCOVERED penicillin, an antibiotic.
pencillin
Alexander Fleming invented the antibiotic called penicillin.
He didn't INVENT anything, he discovered penicillin.
Robert F Flemming invented the guitar in 1886. Flemming wanted to create an instrument that would make a unique sound.
Standard Time zones.
What did Alexander Graham invent for the deaf?
The mold was growing in one of his experimental bacterial cultures and killing them, ruining the experiment. Others might have thrown it out, he determined what the mold was making that killed bacteria.
He discovered penicillin. Or more commonly known, antibiotics which helps us to heal infections.
around 1250
yes he did invent the hydrofoil
While the Romans did use glass extensively, there is no direct evidence to suggest they invented the magnifying glass. The earliest recorded use of a magnifying glass is attributed to the Arab scientist Alhazen in the 11th century.
Rosalia invented penisilin!!!!!!! nobody invented penicillin, it was discovered by Alexander Fleming growing in a petri dish when he noticed that it killed bacteria growing in the dish.