Larry Madin collecting transparent zooplankton

Chief Scientist Larry Madin (center) collects transparent zooplankton. Peggy Hamner (upper left) acts as safety diver and William Hamner swims down (from the right). This photo, used with permission from the National Geographic Society, first appeared in the article “Blue-Water Plankton,” written by William Hamner for the October 1974 issue of National Geographic Magazine. That article described the first use of scientific bluewater diving, conducted in a research project in the Gulf Stream off Bimini, Bahamas, directed by Dr. Hamner. At that time he was teaching at the University of California, Davis, and Peggy and Larry were his graduate students. Image courtesy of National Geographic Magazine.

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