Linnaeus maybe wrong in principle - nothing to prevent one seeing clearly (10)
I believe the answer is:
taxonomist
'linnaeus' is the definition.
Both the definition and answer are singular nouns.
Perhaps there's a link between them I don't understand?
'wrong in principle nothing to prevent one seeing clearly' is the wordplay.
I cannot quite see how this works, but
'wrong' could be 'mis' (similar in meaning) and 'mis' is found in the answer.
'nothing' could be 'no' (similar in meaning) and 'no' is present in the answer.
'one' could be 'a' (a thing is one thing) and 'a' is present in the answer.
This may be the basis of the clue (or it may be nonsense).
'maybe' acts as a link.
Can you help me to learn more?
(Other definitions for taxonomist that I've seen before include "one analysing the class system?" , "Classifier of organisms" .)