

In 1912, Wittgenstein first took accommodation at 4 Rose Crescent in Cambridge, before later moving to the former rooms of G.E. Moore in Whewell’s Court (Trinity College).
Sources:
McGuinness, B. (1988). Wittgenstein: A Life. Young Ludwig 1889–1921. The University of California Press.
Monk, R. (1991). Ludwig Wittgenstein: The Duty of Genius. Vintage.