Physicist Karl, Famous for Research on Radio Waves

This page is the CodyCross answer for the clue below from Spa Time, Group 810, Puzzle 2 (Salt Cave Session).

Question is: Physicist Karl, Famous for Research on Radio Waves

and the answer is: JANSKY

Word Meaning:

JANSKY — A non-SI unit (symbol Jy) measuring electromagnetic flux density equal to 10⁻²⁶ watts per square meter per hertz.

Definitions from Wiktionary.