Surname of the US inventor of the electric telegraph (5)

I believe the answer is:

morse

(Other definitions for morse that I've seen before include "Endeavour" , "Colin Dexter's fictional detective" , "Kind of code" , "Oxford detective" , "Fictional inspector; code" .)

I've seen this clue in The Independent.

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.