Swedish chemist knocking up supermodel once (5)

I believe the answer is:

nobel

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

'swedish chemist' is the definition.
'nobel' can be an answer for 'chemist' (I've seen this before). I'm not sure about the 'swedish' bit.

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for nobel that I've seen before include "Source of prizes" , "Alfred -, Swedish dynamite inventor" , "Prize guy" , "& 27 Down International award" , "Swedish philanthropist and inventor of dynamite" .)

I've seen this clue in The Guardian.

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