John Scolvus was a navigator of the late 15th century. It has been claimed he was among the early Europeans to reach the shores of the Americas prior to Columbus, arriving in 1476 as steersman of Didrik Pining, although this view is not supported by contemporary evidence, and as he is not mentioned contemporaneously, his identity and even existence have been disputed.
Read more about John Scolvus: The Pining Expedition, Sources For His Alleged Existence, Speculations