Claim: William Parron, who was the author of almanacs and prognostications, which was published by Perkin Warbeck (who is known as the first to popularise the products of the printing press in England) and Richard Pynson and still survives today.
Evidence: He also engaged in investigative work on the background of Perkin Warbeck. His publishers were Wynkyn de Worde and Richard Pynson, and the almanac is said to be the first printed in English.