@SECRET_ASIAN_MAN There's a piece from 2019, The Invisibility of Older Women, that might be what you are looking for.
It begins, "In Alfred Hitchcock’s 1938 film, The Lady Vanishes, a young woman on a train becomes disturbed by the sudden disappearance of a kindly older woman, a governess and music teacher."
I can post a gift link.
@Coctaanatis that's the one!