General W. Sikorski, prime minister, commander in chief of the Polish forces in the second world war, had his headquarters in this building from 1940 until his tragic death at Gibraltar in 1943.
See Musee de la Resistance for more information on this memorial (in French).
Site: Wladyslaw Sikorski - SW1 (1 memorial)
SW1, The Rubens Hotel, Buckingham Palace Road, 39
Credit for this entry to: Alan Patient of www.plaquesoflondon.co.uk