When the Beatles released Lucy in the Sky with Diamonds, it was popularly assumed to be a barely concealed reference to '___'.
John Lennon denied a drugs link, claiming the true inspiration was a young girl called Lucy who appeared in a painting by his then four-year-old son, Julian.
Her identity was not revealed at the time but the story can now be told of the little girl who may have been the real Lucy in the Sky.
Lucy Richardson grew up to be a successful movie art director.
But this month she died at the age of 47 after a two-year battle with breast cancer.
Last night her sister Mary Foster paid tribute to the popular and talented film lover, and told of the family's connection to the Beatles.
Lucy was a few years older than Julian Lennon when he enrolled at the private Heath House School, in Weybridge, Surrey.