A History of Short Words

From the New York Times Crossword Puzzle

BOHR

Mon, 9 Jun '25
Niels ___, physicist portrayed by Kenneth Branagh in "Oppenheimer"
Thu, 22 Jun '23
Pioneer in atomic theory
Fri, 19 Aug '22
See 25-Down
Thu, 8 Apr '21
Physics Nobelist who developed an early model of the atom