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Scientists and technicians aboard D/V Glomar Challenger (ship) during Leg 51 of the Deep Sea Drilling Project studying the pillo basalts from deep penetration site 417D. Left to right on the left side of table are: John M. Sinton from the Smithsonian Institution, Washington, D.C.; Jean Francheteau from the Centre Oceanlogique de Bretagne, Brest, France, who was also one of the cruise Co-Chief Scientist; X-Ray technician Jean Paul Quisefit from Brest, France; Kerry Kelts from Swiss Institute of Technology, Zurich, and Tadihide Ui from Kobe University, Nada, Japan. Left to right on the opposite side of the table is Deep Sea Drilling Project technicians Jurel William and William J. Brennan. 1977.

Scientists and technicians aboard D/V Glomar Challenger (ship) during Leg 51 of the Deep Sea Drilling Project studying the...