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Depths of the Earth Company was founded in 1989
Key Personnel

Dr. Tracy A. Paul

Tracy A. Paul joined Depths of the Earth Company in 1993, bringing with her seven years of experience in geological materials science, including an expertise with high-pressure high temperature uniaxial piston-cylinder apparatus. Her current research interests are focused on developing and promoting use of high-pressure instrumentation to synthesize novel materials for electronic, ceramic, and pharmaceutical applications.

Dr. John R. Holloway

QUICKpress designer John R. Holloway founded Depths of the Earth Company in 1989. Dr. Holloway is world renowned in the field of high-pressure high-temperature phase equilibria, as applied to earth and planetary science. His 35 year career in academics at Arizona State University focused on research in high-pressure geochemistry. That work included the design and construction of internally heated, argon-gas media pressure vessels, pressure-volume-temperature apparatus, piston-cylinder apparatus of many types, and multi-anvil devices. He co-authored a book on experimental techniques in geochemistry and successfully completed more than thirty separate research projects funded by the National Science Foundation and the National Aeronautics and Space Administration. He is recognized as one of the world’s leading experts in the field of high-pressure high-temperature synthesis of new material


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