While browsing the web I found some archive
newsreel footage relating to the Tchaikovsky House and Museum at Klin. Taken by British Pathé, "In Immortal
Footsteps" provides a glimpse inside the composer's home
following its refurbishment in 1939 (three years before
it was ransacked in the Nazi invasion).
The uncredited man shown examining the composer's manuscripts was
actually Iurii Davydov,
Tchaikovsky's nephew and the museum's curator [EDIT: see below]. He also appears in the
following short film from 1958, giving a tour of the house to the pianist
Van Cliburn and violinist Valery Klimov (winners of the first Tchaikovsky
International Competition), who each give a short recital in the
composer's living room.
The commentary on this second clip is entirely in Russian.
If you have trouble with the above embedded links (which should open in
new windows) then you can also view the clips on the British Pathé
Archive website at:
... where you'll also find archive performances of some of
Tchaikovsky's works, and a great deal more besides!
Correction — I have just been advised that the gentleman
referred to in the 1939 film of the museum was actually the Soviet
musicologist Nikolai Mikhailovich Shemanin (b. 1903), who was the director
of the museum at this time. Iurii Davydov
came to Klin in 1945, after the war, and is correctly identified in the
second clip (1965).
We have another suggestion for the identity of the man in the 1939 clip
— possibly the musicologist Nikolai Konstantinovich Rukavishnikov, who was
temporarily in charge of the museum after the death of the previous
curator (Nikolai Zhegin) in 1937.