Crossword Genius

Name of someone famous? (7)

Ross

I believe the answer is:

alister

I'm a little stuck... Click here to teach me more about this clue!

'name of someone famous?' is the definition.
I can't judge whether this defines the answer.

'name of someone' is the wordplay.
'name' becomes 'Alis'.
'of someone' becomes 'ter' (I can't justify this - if you can you should give a lot more credence to this answer).
'alis'+'ter'='ALISTER'

Can you help me to learn more?

(Another definition for alister that I've seen is " Fellow".)

I've seen this clue in The Times.
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