'.
'Foremost' shows 'the most notable'.
The correct sentence should be: It is a fact that John F. Kennedy was the
politician of his time.
He is the foremost dancer of our time. |
She was the foremost leader of her time. |
First in beauty is first in might. |
The first edition was published in the year 1995. |
First and foremost can be used together in a sentence, when the idea in the sentence is to be intensified.
e.g. Our
duty is to protect our motherland.