Claim: Panfilo Castaldi was a French physician and also known as "master of the art of printing," began with glass stamps and eventually developed wooden printing blocks which he used in a printing press in Venice in 1426 several years before Johann Gutenberg's first experiments with metal type in the early 1430s.
Evidence: Panfilo Castaldi (c. 1398 – c. 1490; also called Pamfilo or Pamphilo) was an Italian physician and "master of the art of printing," to whom local tradition attributes the invention of moveable type.