Left: On a 1988 hydrothermal vent cruise, the University of Washington scientific party created a “Dudley Unit,” a life-size (5’8”) plywood cutout dressed in an Atlantis/Alvin T-shirt and a pair of Dudley’s jeans to serve as a seafloor marker and to give a sense of scale for photos taken on the Juan de Fuca Ridge off the Washington coast. (Photo courtesy of Véronique Robigou, University of Washington)

Right: Here’s the Dudley unit standing tall on the Jean de Fuca Ridge to provide scale for digital photos of seafloor features. (University of Washington Photo)

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