A
Abbott, Kathleen
AM 2002
Principal Geologist, ARCADIS, San Francisco, CA
Abrajano, Teofilo Aniag
PhD 1984
Professor, Department of Earth and Environmental Sciences, Rensselaer Polytechnic Institute
Adelsberger, Katherine Ann
PhD 2008
Assistant Professor, Environmental Studies, Knox College
Akerman, Nancy Hsia
PhD 2009
Physical Scientist, U. S. Environmental Protection Agency
Alexopoulos, Jim
AM 1992
Anderson, Ashley
AM 2001
Andrews-Hanna, Jeffrey
PhD 2006
Associate Professor, Lunar and Planetary Laboratory, University of Arizona
B
Balemian-Spencer, Forest
AM 2022
Barickman, Mattison
AM 2020
Barklage, Mitchell
PhD 2010
Research Associate, Northwestern University, Evanston, IL
Bartz, Daniel
AM 2015
Becker, Richard C.
AM 1982
Beehr, Alison
AM 2012
Quality Control Chemist, Fujifilm Electronic Materials, Mesa, AZ
Beeler, Scott
PhD 2019
PhD 2019
Bender, Amanda
PhD 2017
Postdoctoral Fellow, University of Colorado, Boulder
Benner, Lance Alistair MacLean
PhD 1994
Staff Scientist, Jet Propulsion Laboratory, Pasadena, CA
Billings, Katie
AM 2022
Bloch, John D.
AM 1985
Adjunct Professor, Dept. Earth & Planetary Sciences, University of New Mexico
Boneh, Yuval
PhD 2017
Postdoctoral Fellow, Brown University
Botts, Michael
AM 1979
Principal Research Scientist, Earth System Science Center, University of Alabama in Huntsville
Bouchard, Michael
PhD 2019
PhD 2019
Brackett, Robert Alan
PhD 1995
Senior Vice President, Senior Research Analyst, Sanford C. Bernstein Research
Bragg, Susan Lynn
PhD 1981
Founder and Chief Technology Officer, Prozess Technologie
Branlund, Joy Margaret
PhD 2008
Associate Professor, Earth Science, Southwestern Illinois College
Brannon, Joyce Coon
PhD 1984
Bryant, Roger
PhD 2019
PhD 2019
Burton, Elizabeth Ann
PhD 1988
Chevron Research, San Ramon, CA
C
PhD 2006
Associate Professor, Department of Geosciences, University of Rhode Island
Castillo, Paterno Reyes
PhD 1987
Professor, Scripps Institution of Oceanography, University of California - San Diego; La Jolla, CA
Chamberlain, Kevin Richard
PhD 1990
Professor, Department of Geology and Geophysics, University of Wyoming, Laramie, WY
Chen, Heng "Henry"
PhD 2014
Research Scientist, Washington University
Christian, John
AM 2020
Clark, Ian
AM 1998
Teacher, Berkshire Academy, Sheffield, MA
Colton, Shannon
AM 2002
Scientist, Southwest Research Institute, San Antonio, TX
Coman, Ecaterina Oana
PhD 2017
Analyst, Department of Defense
Condus, Thomas
AM 2019
AM 2019
Crombie, Mary Katherine
PhD 1997
Staff Scientist, Lunar and Planetary Laboratory, University of Arizona
Cull, Selby C.
PhD 2010
Assistant Professor, Bryn Mawr College, PA
Culley, Emily
AM 2021
D
Dale-Bannister, Mary Ann
AM 1986
Data Manager, Daughters of Charity, St. Louis, MO
Dann, Jesse Chase II
PhD 1992
MIT Affiliate, MIT
De Chazal, Suzanne Marie
AM 1985
Decker, Deborah Ann Keck
AM 1981
Dombard, Andrew John
PhD 2000
Associate Professor, University of Illinois at Chicago
PhD 2007
Assistant Project Scientist, Institute of Marine Sciences, University of California, Santa Cruz
Dromgoole, Edward Lee
PhD 1989
Staff Scientist, Geotechnology, Inc., St. Louis, MO
Dunn, Lisa G.
AM 1985
Head Reference Librarian, Colorado School of Mines Library
E
Eakins, Jennifer
AM 1996
Staff Research Associate, IGPP at Scripps Institute of Oceanography, U. of California, San Diego
Eddy, Michele Sharon
AM 1984
Analyst, Western Geophysical, Englewood, CO
Edwards, Margo Helen
AM 1986
Senior Research Scientist and Director, Hawaii Mapping Research Group, Hawaii Institute of Geophysics and Planetology, University of Hawaii
Eilerts, Toni Lynn
AM 1986
Geologist, Stocker Resources, Inc., Los Angeles CA
Eimer, Melody
PhD 2020
Emry, Erica
PhD 2012
Postdoctoral Researcher, New Mexico Institute of Mining and Technology
Enssle, Colin
AM 2000
Senior Project Manager, Global Regulatory Analysis, General Electric, Washington, DC
Euler, Garrett
PhD 2012
Postdoctoral Research Associate, Los Alamos National Laboratory
Evans, Thomas
AM 2006
Chief Executive Officer, SAR3
F
Fadem, Cynthia M
PhD 2009
Associate Professor, Geology, Earlham College
Fernandes, Samantha
AM 2002
Senior Project Manager, AECOM, Long Beach, CA
Fetyani, Ahmad Ali
AM 1980
Staff Scientist, Mid-Eastern Oil Company
Flanagan, Megan Patricia
PhD 1994
Research Staff Scientist, Geophysics and Global Security Division, Lawrence Livermore National Laboratory
Floss, Christine
PhD 1991
Deceased
Flynn, Elaine
PhD Washington University 2018
Postdoctoral Research Associate
Foreman, Andrew Benjamin
AM 2009
Senior Environmental Project Manager, Enercon, Tulsa OK
Fox, Valerie
PhD 2017
Postdoctoral Fellow, Caltech
Fraeman, Abigail
PhD 2014
Postdoctoral Fellow, JPL / California Institute of Technology
Frederickson, Chris
AM 1998
Frierdich, Andrew James
PhD 2012
Lecturer (Assistant Professor), Monash University, Melbourne Australia
G
Gardner, James Edward
AM 1987
Oceanography, Univ. of Rhode Island, Narragansett, RI
Gesserman, Rachel
AM 2011
Education and Outreach Coordinator, Broad Institute, Cambridge MA
Gibson, Katherine
AM 2010
Instructor, Laramie County Community College, Cheyenne, Wyoming
Giesting, Paul
AM 2002
Indiana Department of Environmental Management
Goltz, Andrea
PhD 2022
PhD 2022
Green, Glen Martin
PhD 1988
Associate Professor, Biology Dept., University of San Carlos, Cebu, Philippines
Greenhagen, Benjamin
AM 2005
Planetary Scientist, Applied Physics Laboratory, Johns Hopkins University
Griffith, Laura Lee
PhD 1998
Science Education, U. S. Navy
Guan, Yunbin
PhD 1998
Manager, Ion Microprobe Laboratory, California Institute of Technology, Pasadena, CA
Guinness, Ed
PhD 1980
Senior Research Scientist
H
Haas, Johnson Roach
PhD 1993
Associate Professor, Dept. of Geosciences, Western Michigan University
Haenecour, Pierre
PhD 2016
Postdoctoral Research Associate, University of Arizona
Hagee, Bryan Eric
PhD 1990
Research Scientist, Mobil Oil Corp., NJ
Hahn, Timothy
PhD 2019
Hall, Rhoda
AM 2006
Staff Civil Engineer, Burns & McDonnell, St. Louis, MO
Handke, Michael James
PhD 2001
Geologist, Pioneer Natural Resources, Lantana TX
Hasenmueller, Liz
PhD 2011
Assistant Professor, Department of Environmental Science, Saint Louis University
Hauck, Steven Arthur II
PhD 2001
Professor, Department of Geological Sciences, Case Western Reserve University
Heatherington, Ann Louise
PhD 1988
Manager of Mass Spectrometry and SEM facilities, Geology, University of Florida, Gainesville, FL
Heeszel, David Scott
PhD 2011
Staff Geophysicist, US Nuclear Regulatory Commission
Heet, Tabatha
AM 2009
National Geospatial Intelligence Agency, St. Louis
Higdon, John
AM 1998
Orb Image Corp., St. Louis
Hinkle, Margaret Anne
PhD 2015
Assistant Professor, Washington & Lee University
Hoffman, Jeff Alan
AM 2005
Radiation Control Technician, SECRA, Oak Ridge, TN
Horn, Charis
AM 2019
Housh, Todd Berton
PhD 1989
Deceased
Hsu, Weibiao
PhD 1995
Purple Mountain Observatory, China
Hughes, Madison
PhD 2021
Hynek, Brian Michael
PhD 2003
Associate Professor, University of Colorado - Boulder
I
Icenhower, Jonathon
AM 1992
Research Associate, School of Geology and Geophysics; University of Oklahoma; Norman, OK
Isachsen, Clark Edward
PhD 1992
Sr. Research Specialist, Department of Geosciences, University of Arizona
Israel, Elisa
AM 1996
Research and Evaluation Supervisor, St. Louis Science Center
Iverson, Heidi
AM 2004
Izenberg, Noam Raphael
PhD 1996
Senior Professional Staff, Space Department, Applied Physics Laboratory, Johns Hopkins University
J
Jacobberger, Patricia Ann
PhD 1982
Senior Advisor, Earth Science Division/Science Mission Directorate, NASA Headquarters
Jadhav, Manavi
PhD 2009
Postdoctoral Research Fellow, Hawaii Institute of Geophysics and Planetology
Jennings, Cristine LaVon
AM 2002
Adjunct Professor, Dept. of Physics, Weber State Univ., Ogden, UT
Johnson, Darren J.
AM 2009
Geologist, South Dakota Geological Survey
Johnson, Natasha Mia
PhD 2002
Research Associate, NRC Research Associate, NASA Goddard Space Flight Center
K
Kato, Chizu
AM 2014
Ke, Yun
PhD 2009
Doctoral Candidate, University of British Columbia
Kennedy, Burton Mack
PhD 1981
Research Associate, Physics; University of California, Berkeley, CA
Kidder, Jennifer Marie Gaines
PhD 1995
Ithaca, NY
Kieniewicz, Johanna Mary
PhD 2007
Head of Outreach and Engagement, Institute of Physics, London
Kilmer, Douglas Stephen
AM 1990
Senior Project Geologist, Horizon Environmental Corporation, Grand Rapids, MI
Kirchoff, Michelle Rosala
PhD 2006
Research Scientist, Southwest Research Institute, Boulder, CO
Kitts, Bunnie Kathleen
PhD 2002
Assistant Professor, Dept. of Geology & Environmental Geosciences, Northern Illinois University
Knight, Abigail
AM 2021
Koch, Ingrid
2015
Koeppen, William
AM 2003
Institute Director, Earth and Ecological Science Institute
Koper, Keith David
PhD 1988
Associate Professor & Director of Seismograph Stations, University of Utah
Kramer, Frank Edward
AM 1987
Kremser, Daniel Timothy
PhD 1982
Battelle Advanced Materials Applications, Columbus, OH
Kuebler, Karla
AM 2009
Deceased
Kupper, Robert Joe II
PhD 2022
Kuster, Stephanie Ellen
PhD 2009
Assistant Professor, Bentley University, Waltham, MA
L
Larsen, Kristopher William
PhD 2003
Research Associate, Lab Atmos/Space Physics, University of Colorado at Boulder
Larsen, Laurel Griggs
AM 2003
Assistant Professor, Department of Geography at the University of California, Berkeley
Lauretta, Dante Salvatore
PhD 1997
Associate Professor, Lunar and Planetary Laboratory, University of Arizona
Lawrence, Jesse Fisher
PhD 2004
Assistant Professor, Stanford University
Lawrence, Kristin Portle
AM 2002
Postdoctoral Researcher, Scripps Institute of Oceanography
Ledingham, Greg
AM 2020
Leff, Craig Ernest
AM 1983
Project Manager, Mullard Space Science Laboratory, University College London
Leith, Andrew Charles
PhD 1992
Department of Environmental Services, Hennepin County, MN
Lewis, Jonathan
AM 2012
Graduate student, Southern Illinois University, Carbondale
Lewis, Robert Harry
AM 1985
Sr. Member, Technical Staff, GE Astro Space, General Electric Company, Princeton, NJ
Li, Zhen
PhD 2013
Associate Professor, Nanjing Agricultural University
Li, Zongshan
AM 2020
Lichtenberg, Kimberly Ann
PhD 2010
Mission Engineer, NASA Jet Propulsion Laboratory
Ling, Zongcheng "Lewis"
PhD 2008
Professor, Shandong University, Weihai
Lippmann, Jennifer L.
AM 2007
Liu, Yang "Steve"
PhD 2013
Postdoctoral Research Associate, Stony Brook University
Lloyd, Andrew
PhD 2018
Postdoctoral Research Associate, Washington University
Lough, Amanda
PhD 2014
Assistant Professor, Drexel University
Lundberg, Laura
AM 1993
Luo, Wei
PhD 1985
Professor, Geography Department, Northern Illinois University, DeKalb, IL
M
Mahan, Brandon
AM 2012
Mao, Xiaochen
PhD 2020
Marcus, Lawrence Mandel
AM 2001
Mauceri, Alessandro
AM 2022
Maurice, Stacey Diane
PhD 2003
Research Geophysicist, ExxonMobile, Houston, TX
Matulka, Patrick
AM 2021
Mayer, David P.
AM 2009
Planetary GIS/Data Specialist, University of Chicago
McCollom, Thomas Marvin
PhD 1996
Laboratory for Atmospheric and Space Physics/Staff, University of Colorado
Melchiorre, Erik Baldwin
PhD 1998
Professor, California State Univ. San Bernardino
Meng, Yanxi
AM 1988
E.M.S.L. Analytical, Inc., Piscataway, NJ
Metzger, Garrecht
PhD 2015
Meyer-Dombard, D’Arcy Renee
PhD 2004
Assistant Professor, Dept. of Earth and Environmental Sciences, Univ. of Illinois, Chicago
Miller, Gretchen
AM 1997
Staff Geologist, SEI Environmental, Inc., Raleigh, NC
Millman, Emily
AM 2021
Miner, Gwen
AM 1995
Finance and License Administrator, Harvard University, Cambridge, MA
Mitra, Kaushik
PhD 2021
Mohit , Pundit Surdas
PhD 2007
Senior Policy Analyst, Environment Canada, Ottawa
Moldovanyi, Eva Paulette
PhD 1990
Senior Geologist, Caribbean Exploration Group, Repsol YPF
Moss, Billy Edgar
PhD 1994
Financial Development Manager, Geac Computer Corporation, Atlanta, GA
Mueller, Steven Wayne
AM 1985
Research Faculty, Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder
N
Neuman, Mason
AM 2020
Nguyen, Lan-Anh (Ann) Ngoc
PhD 2005
Staff Scientist, Jacobs Technology, NASA Johnson Space Center, Houston, TX
Niebur, Curt S.
PhD 2001
Program Manager, NASA Headquarters, Washington, DC
Nunes, Daniel Cahn
PhD 2004
Postdoctoral Fellow, Lunar and Planetary Institute, Houston, TX
O
O'Leary, Ellen Frances
AM 1988
Systems Analyst, Jet Propulsion Laboratory, Pasadena, CA
O'Reilly, Thomas Clark
AM 1982
Associate Research Specialist, Dept. of Geology, Arizona State University
Olsen, Luke
AM 2009
Program Manager, Smiths Detection
Orth, Christopher
PhD 2012
Software Engineer / Researcher, UrtheCast, St. Louis, MO
Ostergren, Sandra Jo Hagni
AM 1981
Owens, Brent Edward
PhD 1992
Assistant Professor, Geology Department, The College of William and Mary, Williamsburg, VA
P
Paniello, Randal
PhD 2013
Professor of Otolaryngology, Washington University School of Medicine
Patzkowsky, Sam
AM 2022
Peck, Nathan Russell
AM 1986
Science Coordinator, Clayton High Schoool, Clayton, MO
Pelayo, Aristeo Mudlong
PhD 1990
Geophysicist/ Hydrogeologist, Wisconsin Dept of Agriculture
Petroy, David E.
AM 1988
President & Co-Owner, Blue Sky Energy Solutions, Boulder CO
Petroy, Shelley Bougan
PhD 1991
Ball Aerospace, Earth Science Mission Development
Pier, Jean Elizabeth Gutru
PhD 1989
Environmental Specialist , Jacobs Engineering Corp., St. Charles, MO
Plaut, Jeffrey Jonathan
PhD 1991
Mars Odyssey Project Scientist, Jet Propulsion Laboratory, Pasadena, CA
Pogue, Eric Robert
AM 1999
Attorney, Dewey Ballantine LLP
Pool, Gregory Barrington
AM 1991
Web Services Specialist, California State University, Monterey Bay, CA
Poole, Karen Elaine
AM 2008
Graduate Student, George Washington University
Powell, Kathryn
PhD 2018
Postdoctoral Scholar, Northern Arizona University
Pozgay Rawlinson, Sara Harriet
PhD 2007
Postdoctoral Researcher, Australian National University
Prapaipong, Panjai
PhD 2001
Assistant Research Professional, Dept. of Geological Sciences, Arizona State University, AZ
Pratt, Martin
PhD 2016
Research Scientist, Washington University, Adjunct Research Scientist - Lamont-Doherty Earth Observatory
Presley, Marsha Ann
AM 1986
Faculty Research Associate, Arizona State University
Pringle, Emily
AM 2014
Doctoral Candidate, Institut de Physique du Globe de Paris
Prissel, Kelsey
PhD 2020
Research Scientist, Jacobs/NASA Johnson Space Center
Pyle, Moira Lacy
PhD 2009
Postdoctoral Researcher, Lawrence Livermore National Laboratory
R
Ragan, Gerald Michael
AM 1981
Staff Scientist, Mobil Oil Corporation, New Orleans, LA
Ramezani, Jahandar
PhD 1997
Research Scientist, MIT, Cambridge, MA
Relyea, Heather
AM 2012
Richardson, Jocelyn
PhD 2019
Rivard, Benoit
PhD 1990
Professor, University of Alberta; Edmonton, Alberta, Canada
Roca, Henri Joseph III
AM 1982
Student, Medical School, California
Rockow, Michael Wayne
PhD 1995
Science Teacher, Leslie Middle School, Salem OR
Rogers, Karyn Lynne
PhD 2006
Assistant Professor, Department of Earth and Environmental Sciences, Rensselaer Polytechnic Institute
Rogers, Mark Arleigh
AM 1981
Senior Consultant, UTD Incorporated, Springfield, VA
Roth, Amy Shanabrook
AM 1995
Project Manager, Lightship Engineering, LLC, Plymouth, MA
Roth, Erich George
PhD 1999
Software Engineer, Communica Inc., Pocasset, MA
S
Sae-Lim, Nadia
AM 2020
Salpas, Peter Andrew
PhD 1985
Senior Consultant, Science Applications International Corp.; Oak Ridge, TN
Sappington, Mandy
AM 2002
Sassani, David Carl
PhD 1992
Distinguished Member, Technical Staff, Sandia National Laboratories
Scheff, Robert
AM 2001
Schenk, Paul
PhD 1988
Staff Scientist, Lunar and Planetary Institute, Houston, TX
Schonwald, Anna
AM 2019
Schulte, Mitchell Darin
PhD 1997
Program Officer, Mars Exploration Program, NASA, Washington DC
Searls, Mindi Lea
PhD 2006
Research Scientist, Laboratory for Atmospheric and Space Physics, University of Colorado
Seddio, Stephen M.
PhD 2014
Thermo Fisher Scientific Inc, Fitchburg, WI
Seelos, Frank Peter, IV
PhD 2005
Staff Scientist/Science Team Collaborator, Applied Physics Laboratory, Johns Hopkins University
Seelos, Kimberly Deal
PhD 2006
Staff Scientist, Applied Physics Laboratory, Johns Hopkins University
Seely, Mark Richard
AM 1985
Exploration Geologist, Kerr-McGee Corp., Houston, TX
Seitz, Jeffery Charles
AM 1989
Associate Vice President of Research and Sponsored Programs, California State University, East Bay, Hayward, CA
Shaw, Amy
PhD 2012
Postdoctoral Fellow, Department of Earth and Space Science and Engineering, York University, Toronto, Ontario
Shechet, Jennifer Leslie (Griffes)
AM 2006
Academic Affairs Manager, Division of Geological and Planetary Sciences, California Institute of Technology
Shepard, Michael Keith
PhD 1994
Associate Professor, Department of Geography and Earth Science, Bloomsburg University, Bloomsburg, PA
Shiro, Brian
AM 2002
Supervisory Geophysicist, USGS Hawaiian Volcano Observatory
Shoberg, Thomas Gilford
AM 1982
Assistant Professor, Pittsburg College, Pittsburg, KS
Simon, John Frederic Jr.
AM 1987
Singer, Kelsi
PhD 2013
Postdoctoral Research Associate, Southwest Research Institute
Singleton, Michael James
PhD 2002
Scientist, Lawrence Livermore National Laboratory, CA
Sly, Michael
PhD 2022
Smith, Jennifer Ann
AM 1989
Staff Geologist, The Earth Technology Corp., Alexandria, VA
Smith, Michael Steven
PhD 1990
Associate Professor, University of North Carolina, Wilmington, NC
Smith-Ross, Terri Lynn
AM 1987
Strebeck, John William
AM 1982
Geodesist, National Geospatial Intelligence Agency , MO
Sturchio, Neil C.
PhD 1983
Professor and Chair, Dept. of Geological Sciences, University of Delaware
Sultan, Mohamed Morsy Ibrahim
PhD 1984
Professor and Chair, Department of Geosciences, Western Michigan University, Kalamazoo, MI
Sutton, Stephen Roy
PhD 1984
Senior Research Associate, Department of Geophysical Sciences, The University of Chicago
Sylvester, Paul Joseph
PhD 1984
Research Associate, Dept. of Geophysical Sciences; University of Chicago, Chicago, IL
T
Taylor, Nancy Forsberg
PhD 2009
Thiemens, Maxwell
AM 2012
Graduate student, Universität Münster, Germany
Tian, Zhen
PhD 2021
Tuller-Ross, Brenna
AM 2019
V
Valdes, Maria
AM 2014
Graduate Student, Université Libre de Bruxelles
Valencia, Sarah
PhD 2017
Valenzuela Wong, Raul
PhD 1996
Assistant Professor, Institute of Geophysics, Universidad Nacional Autonoma de Mexico, Mexico City
Villeneuve, Michael Edward
AM 1988
Isotope Geoscientist, Geological Survey of Canada, Ottawa, Ontario
Viscio, Paul James
AM 1981
Managing Director, Duff & Phelps, New York, NY
Visscher, Channon Wayne
PhD 2006
Assistant Professor of Chemistry & Planetary Sciences, Dordt College, Sioux Center, Iowa
W
Wadhwa, Meenakshi
PhD 1994
Professor, Arizona State University, School of Earth and Space Exploration and Center for Meteorite Studies
Wang, Kun
PhD 2013
Assistant Professor, Washington University
Ward, Jennifer G.
AM 2005
Mission Archivist
Watkins, Ryan Clegg
PhD 2015
Research Scientist, Planetary Science Institute
Wei, Songqiao "Shawn"
PhD 2016
Assistant Professor, Michigan State University
Wetzel, Laura Reiser
PhD 1997
Associate Professor of Marine Science, Dept. of Earth and Planetary Sciences, Eckerd College, FL
Wieczorek, Mark Allen
PhD 1999
Postdoctoral Research Scientist, Département de Géophysique Spatiale et Planétaire, Institut de Physique du Globe de Paris, France
Williams, Rebecca Eby
PhD 2000
Research Scientist, Planetary Science Institute, Tucson, AZ, but working from Waunaukee, WI
Willis, Marc
AM 1992
Wilson, Colin
AM 2009
Educator, St. Louis Science Center
Winston, William E.
AM 2002
GIS Analyst, Washington University
Wiseman, Sandra Margot
PhD 2009
Postdoctoral Research Associate, Brown University
Wong, Wing Chi "Teresa"
PhD 2016
Postdoctoral Research Associate, University of Münster, Germany
Wood, Seth
AM 2020
Wyatt, Andrew
AM 2000
Herst & Associates, St. Charles, MO
X
Xu, Tingying
PhD 2018
Y
Yan, Jinshu
PhD 2022
Yen, Christopher
AM 2021
Z
Zahra, Matthew Jameel
AM 2010
Adjunct Instructor, St. Louis Community College
Zanetti, Michael
PhD 2015
Postdoctoral Fellow, Western University, Ontario, Canada
Zeigler, Ryan Andrew Murray
PhD 2005
Planetary Scientist, Lunar Sample Curator, NASA ARES, Houston TX
Zhou, Zhengyang
PhD 2022
Zhu, An-Ning
PhD 1993