… intrepid Puzzle Masters and lovers of hidden treasures

Clue One (of Four)

His vision was outside the box
but his most famous artworks were within it.
(Hint: google Medici Slot Machine)

‘Tis the town and the year of his birth that you need
to send him a query so you can proceed.
(Hint: he loves gmail)

“Tarry not and do not falter… ’tis worth your while if you’re not Walter
…or even if you are.”
-words to the wise but not a clue

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Pssst… if you’re thoroughly stumped give the Medici Slot Machine a click to continue.