David P. Heddle                                   (757) 269-7432 (W)
2 Squires Place                                   (757) 269-5800 (fax)
Newport News, VA 23606                            (757) 930-3038 (H)
email: heddle@cebaf.gov                      	  http://www.cebaf.gov/~heddle
 


Software Expertise
Java, C, C++, X, Xt, Motif, Perl, FORTRAN, Unix, GUI Development, Graphics



U.S. Citizen holding a SECRET clearance
                                                                                                                                                                                                                                                            

Degree                        Institution         	Date Conferred
Ph.D.	Physics      	Carnegie Mellon University    	Dec. 1984
M.S. 	Physics     	Carnegie Mellon University    	May  1981
B.S.	Physics     	Carnegie Mellon University   	May  1979
                                                                                                                                                      

Professional Employment

Associate Professor, Christopher Newport University and
Research Scientist, The Thomas Jefferson National Accelerator Facility
(TJNAF) 8/89-present.
Duties: Teaching undergraduate and graduate physics. Advising students.
University  Committees.  Proposal writing. Nuclear physics research and  
detector development at TJNAF (formerly CEBAF). Involving undergraduate
students in research. Supervising  M.S. thesis research. Developed the
Hv (Hot Views) Graphical Library

Consultant, SPARTA Inc., 9/94-present. Provided software support for
construction of a sophisticated GUI based on Hv. The GUI drove a high
fidelity simulation of theater missile defense architectures (CAPS).

Chief Technical Officer, JDH Technologies , 11/96-present.
Co-founder and CTO for a start-up company developing Java based software.
Designed the interactive graphical tools (chat, white-board, slide-show) for
the company's Java-powered internet groupware product. Also developed a JAVA
based code management graphical interface to CVS. 

Associate, Booz, Allen & Hamilton, Inc., 6/88 - 8/89. Duties: Supervising
modeling and simulation of the use of directed energy weapons as part
of the Strategic Defense Initiative (SDI). Interacting with civilian
and military program managers from the Department of Defense and other
agencies. Supervising junior staff. Proposal writing.  

Research Physicist, University of Illinois, 6/86 - 6/88. Duties:
Perform calculations in support of the 100 MeV microtron and the proposed 450 MeV
cascade microtron.

Senior Scientist, Booz, Allen & Hamilton, Inc., 2/85 - 5/86. Duties:
Modeling space based architectures of directed and kinetic energy weapons in support
of SDI.

Post-Doctoral Research Associate, University of Maryland, 9/84 - 2/85. Duties:
Conduct basic research in theoretical nuclear physics. 

                                                                                                   
Current Funded Research Grants with PI or Co-PI Status

Years      	Agency                   Amount                   Purpose

1995-1998   NSF (Co-PI)   	$360K (four faculty)	Nuclear Physics Research
1995-1996   SURA (PI)     	$10K           		Accelerator Software Development
1989-1996   SURA (PI)   	$40K annually (approx)	(Software) Detector Development
                                                                                                                                                                                             


Pending CEBAF Experiments with Co-PI Status

CEBAF PR-94001 "N-Delta Axial Vector Transition Form Factor", Co-PI,  Approved.

CEBAF PR-89001 "Nuclear Mass Dependence of Vector Meson Interactions Using The
Photoproduction of Lepton Pairs", Co-PI (replaced G. Blanpied), Deferred.


   
Publications and Technical Reports

D. P. Heddle, "Fast Noise Reduction Algorithm for Multilayered Drift Chambers,
submitted to Nuclear Instruments and Methods.

D. P. Heddle, "The Hot Views Graphical Library", Dr. Dobb's Journal, 92, May 1998.

D. Doughty, D. P. Heddle, R. Hodson, and C. Watson, Java based tools for use in physics collaborations", Computing
in High Energy Physics (CHEP), 1997.
 
D. P. Heddle, "Hv: A Graphical User Interface Library for use in Scientific and Engineering
Applications", Computers in Physics (Peer Reviewed Journal Section), 10, 174 (1996).

Sergui Boyarinov, Dieter Cords, D. P. Heddle, Graham Heyes, and Vladimir Serov, "Building CLAS
Events in the Read-Out-Controllers and CODA-EVB Level", CLAS 96-007 (1996).

D. P. Heddle, "Hv Programming Manual", CLAS 95-026 (1995).

Dieter Cords, D. P. Heddle, Etienne Burtin,  and Bogdan Niczyporuk, "CLAS Geometry Database
and BOS Banks", CLAS 95-002 (1995).

David C. Doughty Jr., D. P. Heddle, and David Allgood, "Data Compression and Readout of
Multiplexed Drift Chamber Data in the CLAS Detector at CEBAF", Proceedings of the Computing in
High Energy Physics (CHEP  94), 448, 1994.

Dieter Cords, Larry Dennis, D. P. Heddle and Bogdan Niczyporuk, "CLAS Event Format with BOS",
CLAS 94-012 (1994).

D. P. Heddle and Larry Dennis, "Using the ced Library", CLAS 94-002 (1994).

D. A. Engwall, B. M. Dunham, L. S. Cardman, D. P. Heddle, and C. K. Sinclair, "A Spin Manipulator
For Electron Accelerators", Nuclear Instruments and Methods in Physics Research, A324, 409,
(1993).

D. P. Heddle and Larry Dennis, "CLAS Event Format v. 2.0", CLAS 93-002 (1993).

P. Dragovitsch and D. P. Heddle, "Software Development for the CEBAF Hall B Experimental Area",
CEBAF 1992 Summer Workshop, AIP Conference Proceedings No. 269, 499 (1993).

D. P. Heddle and Leonard Maximon, "LASPE: a Subroutine for Generating Straggling Distributions
for Positrons and Electrons", Computer Physics Communications, 70, 77 (1992).

P. Dragovitsch,  D. P. Heddle, L. Dennis, and B. Preedom, "Preliminary Data Analysis Computer
Design for the CLAS Detector", FSU-SCRI-19-182 (1991).

F. Hartline, L. Dorries, R. Caton, D. P. Heddle, C. Colonna, J. Webb, G. Webb, and L Abrahamson,
"A Class-room Communications System: Humanizing a Large Class by means of Computers",
Proceedings of the National Conference on Computers on Campus, University of South Carolina,
(1991).

D. P. Heddle and L. Crawford, "C Programming Standards for CLAS Software", CLAS 90-011
(1990).

D. P. Heddle and Leonard Maximon, "Corrections for Landau Straggling for Positrons and Electrons",
Physical Review C, 40, 1632 (1989).

D. P. Heddle, "NPLMenus 2.0", DECUS, (Aug., 1989).

D. P. Heddle, "ST SciPlot: Scientific Graphics for the ST", START, (Nov., 1989).

D. P. Heddle, "Zero'th Order Design Considerations for a Dispersion Matching Mask", University of
Illinois NPL TR87-61 (1987).

D. P. Heddle, "Achromatic Spectrometer Transport", University of Illinois NPL TR87-60 (1987).

D. P. Heddle, "Calculation of the Position of the Effective Edges of the New (NBS) End Magnets",
University of Illinois NPL TR86-59 (1986).

D. P. Heddle and L. S. Kisslinger, "Hybrid quark-hadron model of Lambda nonmesonic decay in nuclei:
finite nuclei", Physical Review C, 33, 608, (1986).

D. P. Heddle, Y. R. Kwon and F. Tabakin, "BOPIT: Coulomb plus Strong Interaction Bound States,
Momentum Space Solutions", Computer Physics Communications, 38, 71, (1986).

D. P. Heddle and L. S. Kisslinger, "Six-quark Probabilities in Hyperon-Nucleon Scattering", Physical
Review C, 30, 965, (1984).

C. Y. Cheung, D. P. Heddle and L. S. Kisslinger, "Hybrid quark model of Lambda nonmesonic decay in
nuclei", Physical Review C, 27, 335, (1983).