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Deep Sea Drillers-With a portion of the 194-foot drilling derrick behind them, the "Big Three" of the Fifty Leg of the Deep Sea Drilling Project examine a sedimentary core on the deck of the drilling research vessel, Glomar Challenger. Left to right, Dean A. McManus, Co-Chief Scientist, William F. Allinder of Texaco, Inc., Cruise Operations Manager, and Robert E. Burns, Co-Chief Scientist. McManus and Burns are from the University of Washington (Seattle), and they directed the scientific program from San Diego to Honolulu. Bill Allinder represents Scripps Institution of Oceanography and DSDP on the Challenger and is responsible for the technical and operational success of the first leg in the Pacific. 1968