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The name of the author is "Leißa". (The fourth letter is a sharp s).

Apologies, I was aware, but am posting from iOS and couldn’t find the character.

fyi, if you long-press the "s" on your keyboard, it should come up as an option!

And in ASCII, ß->ss: Leißa -> Leissa

and ä, ö, ü -> ae, oe, ue