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Marcellus Laroon the Younger was an English painter and draughtsman of French origin. He specialized in social genre scenes, and he frequented the world of actors and painters around Covent Garden in London that he painted. George Vertue, a contemporary who knew him well, said he painted for pleasure rather than profit.
Johann Reger, also known as Johannes Reger and Hannss Reger, was a German publisher and printer.
He is known to have worked in Ulm, where he purchased a printing press where he printed and published a whole series of books. Among these were Ptolemy's Geographia and his successful treatise De locis ac mirabilibus mundi, an encyclopedic description of the inhabited world and the wonders of the earth.
The Master of the Ghent Graduel was a Flemish painter, miniaturist, and illuminator who worked in Ghent and Tournai in the second third of the fifteenth century.
This master comes from an older, Parisian tradition of manuscript illumination that was developed by the master Gilbert de Metz. He was active in the 1460s-1470s and was responsible for the illumination of the clockbooks now preserved in British libraries and also created the miniatures for the books of Valerius Maximus.