Tls 1578

[pomona]

3d Originally Alisa, yet now known by this name (3) A?N

ann?

[Neveracrossword]

There's a writer with the surname AYN,  the first letters (originally) in Ailsa Yet Now...

[pomona]

Thank you

[Neveracrossword]

Thanks, Pomona. My very quick look showed that the writer, Alisa, was more commonly known as Alice, originally a nickname.

[Lie-in King]

With apologies to Nac, it's -

Ayn (Rand), born Alisa Zinovyevna Rosenbaum

[Neveracrossword]

Thanks, Lie-in KIng. Although I felt my original answer was correct, I felt I'd done only very cursory 'research' - and later went back. I should have left well alone!