Fellow adopting high tone for English chemist (6)

I believe the answer is:

dalton

(Other definitions for dalton that I've seen before include "John -, chemist who proposed theory of atoms" , "John --, English chemist and physicist" , "[LAWMAKER] ?" , "English scientist" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.