Who invented the type of script used in autographs?
Cuneiform script Cuneiform script ( or or ), one of the earliest systems of writing, was invented by the Sumerians. It is distinguished by its wedge-shaped marks on clay tablets, made by means of a blunt reed for a stylus. The name "cuneiform" itself simply means "wedge shaped".
Autograph An autograph (from the Greek: αὐτός , "autós", "self" and γράφω, "gráphō", "write") is a document transcribed entirely in the handwriting of its author, as opposed to a typeset document or one written by an amanuensis or a copyist; the meaning overlaps with that of the word holograph.