The great Renaissance artist Michelangelo signed only one of his works, the Pieta. The reason he signed it was simple, according to his biographer: He overheard people attributing the work to ...

But with the advent of digital art, the idea of signing creative work has largely been lost. Many digital artists don’t put a signature on their work, and if they do, it’s often viewed as an ...

German artist Albrecht Dürer, recognizing how much his name increased the value of his prints, went so far as to petition a court to protect his signature. But with the advent of digital art, the idea ...