John R Clarke

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John R Clarke
John Clarke.png
John R Clarke
Born (1945-11-20)November 20, 1945[1]
Fort Smith, Arkansas USA
Allegiance United States United States of America
Service/branch United States Army Reserve
Years of service 11
Rank Captain
Other work United States Navy Experimental Diving Unit, University of Wollongong

John R Clarke (born (1945-11-20)November 20, 1945) is an American scientist, private pilot and author. He is currently the Scientific Director at the United States Navy Experimental Diving Unit (NEDU). Clarke is recognized as a leading authority on underwater breathing apparatus engineering.

Background[edit]

Clarke was born in 1945 in Fort Smith, Arkansas to Dr Albert Sidney Johnston Clarke II and Ruth Shaw Clarke, his father was an orthopedic surgeon which inspired his interest in physiology. Clarke's mother was a dance instructor which led to his appreciation of the arts.[2] Clarke is the youngest of four children; his siblings are now deceased.

In 1969, Clarke volunteered for the United States Army Reserves, he was promoted to first lieutenant in 1974 then Captain in 1979. Clarke was honorably discharged in September 1980.

Clarke was married on June 28, 1970 to Peggy Crews, their son Jonathan was born in 1975 and daughter Holly was born in 1979. The couple currently reside in Panama City, Florida.

While at Georgia Tech in 1965, Clarke earned his scuba diving certification, he later participated in the NOAA/ Navy Scientist in the Sea program in 1972. He then went to the Navy Dive School in 1980. Clarke has remained an active scuba diver throughout his career.[3]

Clarke received his private pilot license in 1974 and instrument rating in 1978,[4] he currently owns a Piper Arrow[5] and volunteers as a pilot for Angel Flight Southeast.

Education[edit]

Clarke graduated from Shawnee Mission East High School in Prairie Village, Kansas in 1964. He received a BS degree in applied biology (1969), and an MS degree (1971) from Georgia Tech, his master's thesis studied the impact of pressure on Sacchromyces cerevisiae.[6]

Physiology continued to drive Clarke and in 1976 he completed his Doctor of Philosophy by evaluating changes in physiology and pharmacology in bivalve molluscs hearts at Florida State University (FSU).[7]

Academic career[edit]

While completing his doctorate at FSU, Clarke worked as instructor and director of development in the Department of Biological and Physical Sciences at Thomas County Community College from 1975 to 1976.[1]

Later in 1976, Clarke assumed a position as instructor and research associate in the Department of Physiology at Case Western Reserve University School of Medicine.[1]

In 1977, Clarke left Case Western for a two–year Parker B. Francis Foundation Fellowship in the at the Department of Physiology at the University of Florida College of Medicine.[1] The fellowship is named after the founder of Puritan Bennett and supports pulmonary research.[8]

While working for the US Navy, Clarke accepted an appointment as an Adjunct Assistant Professor with Graduate Advisory Status for the Uniformed Services University of the Health Sciences from 1984 to 1990.[1]

Clarke accepted an appointment as a Visiting Principal Fellow at the University of Wollongong in April 1998 to advise on a doctoral project,[1] as of 2015, Clarke has served on five thesis committees from various institutions. Advisees have included Margie E. Bolton,[9] Elizabeth Jane McCarthy,[10] Rungchai Chaunchaiyakul,[11] Erich C. Frandrup,[12] and Adam J. Smith.[13]

US Navy career[edit]

In 1979, Clarke joined the team at the Naval Medical Research Institute (NMRI), now called the Naval Medical Research Center in Bethesda, Maryland, he was the head of the Respiratory Physiology Branch of the Physiology Division in the Diving Medicine Department. When Clarke left NMRI in 1991, he was the Diving Life Support Equipment Program Director GM-14.

Clarke led a team of researchers, scientists and engineers while at NMRI, the projects included work on diving equipment and physiology that included high frequency ventilation experiments.

From 1983 to 1991, Clark served as a National Research Council mentor for PhD research fellows.[1] Clarke also mentored students from the Research Science Institute with some students winning the nationwide Westinghouse science competition.[1]


Since 1991, Clarke has served as the Scientific Director GM-15 at the United States Navy Experimental Diving Unit (NEDU) in Panama City, Florida.

At NEDU, Clarke provides scientific oversight over engineering and physiological studies RDT&E for US Navy diving operations. He also serves as an advisor for Naval Sea Systems Command policy regarding technical challenges,[14] this work includes equipment evaluations[15][16] and physiology experimentation.[17][18]

Writing[edit]

Clarke's interest in writing began early,[19] he published his first scientific article at age fifteen.[20] While an undergraduate engineering student, he was paid for two of his articles in the Georgia Tech Engineer.[19]

Clarke assisted his writing mentor, author Max McCoy, with a chapter taking place at NEDU in McCoy's 2004 book Moon Pool.[19]

Middle Waters[edit]

In 2014, Clarke published his first novel, Middle Waters, it deals with two divers that set out to rescue aliens stranded on their spacecraft at the bottom of the sea. The government is aware of their presence and very interested in the alien technology, the divers soon find themselves caught between the alien civilization and their own government as they work to avert disaster while unknowingly competing with their friends in the recovery.

Award winning author and physician Rachel Scott suggested readers not "start this read at bedtime, if you plan to get any sleep!".[21]

Max McCoy, author for the Indiana Jones franchise from 1995 on, claimed that Middle Waters was a book he had wished he'd written and would read over and over again,[21] this was based partially on the fact that the main character is a diving scientist, a role that Clarke knows well and expertly conveys his knowledge to the reader.

Professional societies and service[edit]

Clarke is a member of the American Academy of Underwater Sciences,[18] the American Physiological Society, Sigma XI, and the Undersea and Hyperbaric Medical Society (UHMS).[1] He served as the Chair of UHMS's Membership Committee from 1989 to 1991 and was elected as a member at large to their Executive Committee serving in that role from 1998 to 2001.[1]

Clarke also serves as a reviewer for research journals including the Journal of Applied Physiology, Ergonomics, Undersea Biomedical Research, and Annals of Biomedical Engineering.[1]

Diving safety is a passion and Clarke volunteers as an advisor to the National Association of Underwater Instructors Rebreather Advisory Committee[22] and Florida State University Diving Control Board.[23] Clarke also lectures to the general diving public about issues impacting diver safety.[18][24]

Awards[edit]

In 1998, Clarke was selected as a Naval Sea Systems Command Spring 1998 trainee for “Leadership for a Democratic Society” course at the Office of Personnel Management’s Federal Executive Institute in Charlottesville, Virginia.[1]

Clarke won first place in the 2010 "best first line in a comic vampire novel" contest held by the Ozark Creative Writers’ Conference in Eureka Springs, Arkansas.[25]

Bibliography[edit]

Book chapters[edit]

  • Morrison JB, Clarke JR (2008). "Diving Physiology: free diving, breathing apparatus, saturation diving". In: eds., NAS Taylor, H Groeller, Physiological Bases of Human Performance During Work and Exercise. 
  • Clarke JR (2003). "Future of US Navy Diving". In: Naval Forces Under the Sea – A Look Back, A Look Ahead. Best Publishing, Flagstaff, AZ: 3–90 to 3–94. 
  • Clarke JR, Flook V (1999). "Respiratory Function at Depth". In: The Lung at Depth, ed. CEG Lundgren and J Miller; in series, Lung Biology In Health and Disease, ed. Claude Enfant. New York, Marcel Dekker: 1–71. 
  • Clarke JR (1999). "Underwater Breathing Apparatus". In: The Lung at Depth, ed. CEG Lundgren and J Miller; in series, Lung Biology In Health and Disease, ed. Claude Enfant. New York, Marcel Dekker: 429–527. 
  • Clarke JR (1996). "Measurement of average resistance in underwater breathing apparatus". In: Book III, Drilling & Production Economics. American Society of Mechanical Engineers, Proceedings of Energy Week Conference and Exhibition, Jan. 29-Feb 2, 1996: 227–230. 
  • Clarke JR (1992). "Diver tolerance to respiratory loading during wet and dry dives from 0 to 450 msw". In: Lung Physiology and Divers' Breathing Apparatus. Ed. V. Flook and A.O. Brubakk., BPCC-AUD, Aberdeen: 33–40. 
  • Clarke JR (1992). "Impedance and power measurements in the testing of closed circuit UBA". In: Lung Physiology and Divers' Breathing Apparatus. Ed. V. Flook and A.O. Brubakk., BPCC-AUD, Aberdeen: 85–93. 
  • Clarke JR, Joye D (1989). "Formal descriptions of elastic loads encountered in the use of underwater breathing systems". In: Lundgren and Warkander, eds. UHMS Workshop, Physiological and Human Engineering Aspects of Underwater Breathing Apparatus, Buffalo, NY, Undersea and Hyperbaric Medical Society, Bethesda: 59–76. 
  • Clarke JR, Survanshi S, Thalmann ED, Flynn ET (1989). "Limits for mouth pressure in underwater breathing apparatus (UBA)". In: eds. Lundgren and Warkander, Physiological and Human Engineering Aspects of Underwater Breathing Apparatus. Undersea and Hyperbaric Medical Society, Inc. Bethesda, MD. 
  • Casey L, Clarke JR, Fletcher J, Ramwell P (1982). "Cardiovascular, Respiratory, and Hematologic Effects of Leukotriene D4 in Primates". In: Samuelsson and Paoletti, eds. Advances in Prostaglandin, Thromboxane, and Leukotrien Research Series, Vol. 9, Leukotrienes and Other Lipoxygenase Products. Raven Press, New York. 

Refereed Journals[edit]

Non-Refereed Journals and Reports[edit]

  • Clarke JR, Ferris V (2012). "The Use of One-Sample Prediction Intervals for Estimating CO2 Scrubber Canister Durations". Navy Experimental Diving Unit Technical Report 12-03. 
  • Clarke JR (2007). "Review of MARCORSYSCOM operational requirements for Enhanced Underwater Breathing Apparatus (EUBA) using simulation software". Navy Experimental Diving Unit Technical Report 07-11 (Classified). 
  • Clarke JR, O'Connor PE (2004). "Testing of a prototype Special Operations gas mask". Navy Experimental Diving Unit Technical Report 04-27(Classified). 
  • Clarke JR, Schultz B, Crepeau L, Lowe M (2003). "Evaluating the effects of high-dose melatonin on mental and somatic status of normal subjects". Navy Experimental Diving Unit Technical Report 03-20. Retrieved 2015-02-23. 
  • Clarke JR (2003). "Gas flows supporting umbilical diving – requirements and measurements". Navy Experimental Diving Unit Technical Report 03-09. Retrieved 2015-02-23. 
  • Warkander DE, Clarke JR (2002). "Method for estimating the remaining capacity of the carbon dioxide scrubber in the Hyperbaric Oxygen Treatment Pack". Navy Experimental Diving Unit Technical Report 02-13. Retrieved 2015-02-23. 
  • Clarke JR (2002). "The analysis of sodalime granule size distributions". Navy Experimental Diving Unit Technical Report 02-08. Retrieved 2015-02-23. 
  • Naggiar ER, Sanchack KE, Clarke JR (2002). "Comparison of Draeger Divesorb Pro to Sofnolime 812 in the MK 25 Mod 2 SEAL Delivery Vehicle, MK 16 Mod 0, and Viper VSW canisters". Navy Experimental Diving Unit Technical Report 02-02 (Classified). 
  • Clarke JR (2002). "Evaluation of the pre-production model self-contained operational utility tank (SCOUT) high pressure air system. Navy Experimental Diving Unit Technical Report 02-01 (Classified)". 
  • Clarke JR (2001). "Evaluation of the Self-Contained Operational Utility Tank (SCOUT) high pressure air system". Navy Experimental Diving Unit Technical Report 8-01 (Classified). 
  • Clarke JR (1999). "Statistically Based CO2 Canister Duration Limits for Closed-Circuit Underwater Breathing Apparatus". Navy Experimental Diving Unit Technical Report 2-99. Retrieved 2015-02-23. 
  • Crepeau L, Clarke JR (1998). "Recommended canister limits for the Draeger LAR V/MK 25 UBA using 408 L-grade and 812 D-grade Sofnolime". Navy Experimental Diving Unit Technical Report 9-97 (Classified). 
  • Clarke JR, Thompson LD, Godfrey RJ (1998). "Lot variability of Sofnolime 408 carbon dioxide absorbent when tested in the cold". Navy Experimental Diving Unit Technical Report 1-98. Retrieved 2015-02-23. 
  • Morgan KR, Cowgill DE, Clarke JR (1997). "MK 24 Full face mask diaphragm retainer shroud modification with the EBS I and II". Navy Experimental Diving Unit Technical Report 11-97. Retrieved 2015-02-23. 
  • Crepeau L, Clarke JR (1997). "CBR protective respirator-induced performance decrements during Navy-relevant operational tasks". Navy Experimental Diving Unit Technical Report 2-97 (Classified). 
  • Clarke JR, Maurer J, Southerland DE, Junker DL (1997). "Evaluation of the Diving Systems International EXO-26 BR full face mask". Navy Experimental Diving Unit Technical Report 1-97 (Classified). 
  • Clarke JR, Maurer J, Junker DL (1996). "Evaluation of the SIVA 55 (S-55) semi-closed underwater breathing apparatus". Navy Experimental Diving Unit Technical Report 14-96 (Classified). 
  • Clarke JR, Junker DL, Rainone M (1996). "Evaluation of the US Divers Nordic SCUBA regulator for use in cold water". Navy Experimental Diving Unit Technical Report 11-96. Retrieved 2015-02-23. 
  • Clarke JR, Knafelc M, Junker DL, Allain SC (1996). "Evaluation of the Fullerton Sherwood S-24 (SIVA) semi-closed underwater breathing apparatus". Navy Experimental Diving Unit Technical Report 9-96 (Classified). 
  • Clarke JR, Knafelc M, Junker DL, Allain SC (1996). "Evaluation of the Draeger LAR V Nitrox (LAR 7) semi-closed underwater breathing apparatus". Navy Experimental Diving Unit Technical Report 8-96 (Classified). 
  • Clarke JR, Knafelc M, Junker DL, Allain SC (1996). "Evaluation of the Draeger Extreme semi-closed underwater breathing apparatus". Navy Experimental Diving Unit Technical Report 7-96 (Classified). 
  • Clarke JR, Junker DL, Allain SC (1996). "Evaluation of the US Divers DC-55 semi-closed underwater breathing apparatus". Navy Experimental Diving Unit Technical Report 5-96 (Classified). 
  • Clarke JR, Rainone M (1996). "Evaluation of the Scuba Pro MK 10 and MK 20 SCUBA regulators for use in cold water". Navy Experimental Diving Unit Technical Report 1-96. Retrieved 2015-02-23. 
  • Clarke JR, Rainone M (1995). "Evaluation of the Poseidon Odin SCUBA regulator for use in cold water". Navy Experimental Diving Unit Technical Report 14-95. Retrieved 2015-02-23. 
  • Baiss D, Southerland DG, Clarke JR (1995). "MK 3 Mod 0 Lightweight Dive System (LWDS) air flow capacity". Navy Experimental Diving Unit Technical Report 12-95 (Classified). 
  • Clarke JR, Rainone M (1995). "Evaluation of Sherwood SCUBA regulators for use in cold water". Navy Experimental Diving Unit Technical Report 9-95. Retrieved 2015-02-23. 
  • Clarke JR (1994). "US Navy Unmanned Test Methods and Performance Goals for Underwater Breathing Apparatus". Navy Experimental Diving Unit Technical Manual 01-94. Retrieved 2015-02-23. 
  • Clarke JR, Russell K, Crepeau L (1993). "MK 16 canister limits for SDV operations". Navy Experimental Diving Unit Report 2-93. 
  • Clarke JR (1989). "Formulation of elastic loading parameters for studies of closed-circuit underwater breathing systems". Navy Medical Research Institute Technical Report 89-89, Bethesda. 
  • Clarke JR, Homer LD, Flynn ET (1983). "Efficiency of high frequency ventilation as determined by nitrogen washouts: a model study". Navy Medical Research Institute Technical Report 83–09. 
  • Clarke JR, Mints Jr WE, Bradley ME (1981). "An improved method of compensating whole body plethysmographs". Navy Medical Research Institute Report 81-10. 
  • Clarke JR (1979). "Smoking and Diving". Public Information Brochure for Florida Sea Grant. MAFS 7. 
  • Clarke JR (1968). "Holography the crystal ball of sound". Georgia Tech Engineer. 25 (4): 26–29. 
  • Clarke JR (1967). "The Depth Challenger glass spheres for use in research submersibles". Georgia Tech Engineer. 29 (6): 12–17. 

Patents[edit]

  • 1994 US 5315988  "Reactive, closed-circuit underwater breathing apparatus"
  • 1996 US 5485834  "Manually tunable, closed-circuit underwater breathing apparatus"

See also[edit]

References[edit]

  1. ^ a b c d e f g h i j k l "John R Clarke, PhD". Curriculum Vitae[full citation needed]. 28 December 2014. 
  2. ^ Clarke, John. "Only Classical on Sunday". johnclarkeonline.com. Retrieved 2015-02-19. 
  3. ^ Clarke, John (28 February 2015). "After the Heart Attack – The Healing Power of Athletic Passions". Retrieved 2015-02-28. 
  4. ^ Clarke, John R. "Personal communication with Gene Hobbs on Feb 18, 2015 at 7:34 PM". 
  5. ^ Clarke, John R (26 April 2011). "Me and My Arrow". JohnClarkeOnline.com. Retrieved 2015-02-22. 
  6. ^ Clarke, JR (1971). "The Effect of High Pressure on the Permeability of Sacchromyces cerevisiae to Vital Dye". Georgia Institute of Technology. 
  7. ^ Clarke, JR (1976). "The Effect of High Pressure on the Physiology and Pharmacology of Hearts of Bivalve Molluscs". Florida State University. 
  8. ^ "Parker B. Francis Fellowship Program History". Retrieved 2015-02-18. 
  9. ^ Bolton, ME (1979). "Diving habits and obstetric course of pregnant scuba divers". Master's Thesis Presented to the University of Florida. 
  10. ^ McCarthy, Elizabeth Jane (1985). "The effects of Gas Density on Gas Transport During High Frequency Oscillation" (PDF). Doctoral Thesis presented to the Uniformed Services University of the Health Sciences. 
  11. ^ Chaunchaiyakul, Rungchai (2000). "Thoraco-Pulmonary Mechanics: Interaction of Age and Habitual Physical Activity". Doctoral Dissertation presented to University of Wollongong, Dept. of Biomedical Science. 
  12. ^ Frandrup, Erich C. (2003). "Exploration of Impedance and Resistance in a Simple Underwater Breathing Apparatus". Masters Thesis presented to Dept. of Mechanical Engineering and Materials Science, Graduate School of Duke University. 
  13. ^ Smith, Adam J (2008). "Resting Oxygen Consumption Rates in Divers Using Diver Propulsion Devices". Masters of Science in Biomedical Engineering presented to Department of Chemical and Biomedical Engineering, College of Engineering, University of South Florida. 
  14. ^ "2nd Annual Multi-Agency Contaminated Water Diving Workshop Report on Proceedings" (PDF). NAVSEA-SUPSALV. 1 June 2007. Retrieved 2015-02-22. 
  15. ^ Barlow, Rich. "Future gear". SCUBA Diving. Retrieved 2015-02-22. 
  16. ^ Tang, Kay (26 March 2014). "The Best Cold-Water Scuba Diving Regulators". Livestrong Foundation. Retrieved 2015-02-22. 
  17. ^ Svitil, Kathy A (1 July 2000). "Future Tech: Rebreathers are rapidly making scuba gear look like the underwater equivalent of a windup watch". Discover. Retrieved 2015-02-22. 
  18. ^ a b c Pollock, Neal W. "AAUS Rebreather Colloquium" (PDF). E-Slate. American Academy of Underwater Sciences. 6 (10). Retrieved 2015-02-22. 
  19. ^ a b c "About John Clarke Online". JohnClarkeOnline.com. Retrieved 2015-02-22. 
  20. ^ Clarke, John R (1960). "Light spectra and glucose relationships in plants". Proceedings of the Kansas Academy of Science. 
  21. ^ a b "Middle Waters Reviews". Retrieved 2015-02-22. 
  22. ^ "NAUI Rebreather Advisory Board". National Association of Underwater Instructors. Retrieved 2015-02-22. 
  23. ^ The Florida State University Diving Control Board (2006). "The Florida State University Coastal and Marine Laboratory Standards for Scientific Diving and Operation of the Scientific Diving Program" (PDF). Retrieved 2015-02-22. 
  24. ^ Menduno, Michael (7 May 2012). "PCO2: The Dark Matter of Rebreather Diving". DIVER Magazine. Retrieved 2015-02-22. 
  25. ^ Clarke, John. "Blood, as a Delicacy, Is Underrated". johnclarkeonline.com. Retrieved 2015-02-19. 

External links[edit]