Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack. ...

Penicillin sat on a shelf for ten years while I was called a quack. (Alexander Fleming)

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Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.

Alexander Fleming Quotes: Penicillin sat on a shelf for ten years while I was called a quack.