Juan Planck (also known as Juan Blanco, Johann Planck, Johannes Planck and possibly Johannes de Salsburga, Johann von Salzburg, fl. 1479-1484) was a fifteenth-century German cleric turned printer who became a founder of the printing business in Iberia.[1][2]
^A Gordon Kinder, 'Printing and Reformation Ideas in Spain', in The Reformation and the Book, ed. by Jean-François Gilmont, trans. by Karin Maag (Aldershot: Ashgate, 1998), pp. 292-318 (p. 292).