Chet van Duzer on Sea Monsters


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Dive into the haunted seas of history as Joe chats with cartography historian Chet van Duzer about sea monsters, strange maps and the dark mysteries of the global ocean.

Chet Van Duzer is a Researcher in Residence at the John Carter Brown Library and a board member of the Lazarus Project at the University of Rochester, which brings multispectral imaging to cultural institutions around the world. He has published extensively on medieval and Renaissance maps. In addition to his book Sea Monsters on Medieval and Renaissance Maps (British Library, 2013), his book The World for a King: Pierre Desceliers’ Map of 1550 was published in 2015 by the British Library, and in 2016 Brill published a book he co-authored with Ilya Dines, Apocalyptic Cartography: Thematic Maps and the End of the World in a Fifteenth-Century Manuscript. In 2018 Springer published his book Henricus Martellus’s World Map at Yale (c. 1491): Multispectral Imaging, Sources, and Influence. His current project is a book about cartographic cartouches.

Chet’s talk about the multispectral imaging of the world map by Henricus Martellus at Yale:

Chet’s page on

Open-access PDF of Chet’s book about Martin Waldseemüller's Carta marina of 1516:

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