Physicist Known for Theory of Relativity

This page is the CodyCross answer for the clue below from Top Secret, Group 2100, Puzzle 5 (Intelligence Report).

Question is: Physicist Known for Theory of Relativity

and the answer is: EINSTEIN

Word Meaning:

EINSTEIN — (photochemistry, dated) One mole of photons, regardless of frequency, as used to measure irradiance.

Definitions from Wiktionary.

Physicist Known For Theory Of Relativity - Top Secret CodyCross Answers | CodyCross Solutions