INVITED LECTURES - KEYNOTE

Inaugural Carroll C. Hall Lecture Series for Science Education,
Illinois State Museum, Springfield, IL " 100 Mammoths in a Hot Tub"; April 2000

Expanding your Horizons, Science, Math and Technology Workshop for
5th-12th grade girls. Chadron State College, Chadron, NE,
"Rock Stars: the Earthly View" March 2003

INVITED LECTURES (by date)

Ruhr-Universitat,  Bochum, West Germany  (1-86).
Mineralogical Society of Great Britain,  London, England  (1-87).
University of Bern,  Bern, Switzerland  (2-87).
Cambridge University,  Cambridge, England   (3-87).
University of Hannover,  Hannover, West Germany   (5-87).
Technisches Universitat,  Braunschweig, West Germany  (6-87).
Ruhr-Universitat,  Bochum, West Germany  (9-87).
University of Arizona,  Tucson, Arizona   (2-88).
Eastern Illinois University, Charleston, IL (3-88).
Louisiana State Museum, Baton Rouge, LA (11-88).
University of Iowa, Iowa City, Iowa (4-89).

Louisiana State University, Baton Rouge, LA (2-90).
Rice University, Houston, TX (3-90).
New Mexico State University, Las Cruses, NM  (3-90).
Shell Oil Company, Houston, TX (5-90).
Southern Methodist University, Dallas, TX (11-91).

(Mineralogical Society of America Distinguished Lectureship Program presentations)
Brigham Young University, Provo, UT (11-91).
Idaho State University, Pocatello, ID (11-91).
University of Idaho, Moscow, ID (11-91).
University of Alabama, Tuscaloosa, AL (1-92).
University of New Orleans, New Orleans, LA (1-92).
Florida State University, Tallahasee, FL  (2-92).
Bryn Mawr College, Bryn Mawr, PA (2-92) (3 talks).
Mt. Holyoke College, Amherst, MA (2-92).
Lafayette College, Easton, PA (2-92).
Louisiana State University, Baton Rouge, LA  (2-92).
University of Massachusetts, Amherst, MA (2-92).

Iowa State University, Ames, IA (4-92).
Washington University, St. Louis, MO (4-93).
Geochemical Symposium: Fluids and Fluid Flow in the Crust
      Geological Society of America (10-93).
University of Colorado - Boulder, Boulder, CO (11-93),
International Mineralogical Association. Pisa, Italy. (9-94)
Mineralogical Society of America, symposium on: Boron. (10-94)
Los Alamos National Lab, IGPP, Los Alamos, NM, (7-95)
University of Iowa, Iowa City, IA (10-95)
Geological Society of America, SEG symposium: Duration of Hydrothermal Events. ( 11-95)
Tucson Gem and Mineral Show, Mineralogical Society Symposium, Tucson, AZ  (2-96)
Arizona State University, Tempe, AZ. (2-96).
Louisiana State University, Baton Rouge, LA. (3-96).
Louisiana Tech University, Ruston, LA (3-96)  (Sigma Xi  Banquet Speaker)
Kongsbergseminar, Kongsberg, Norway, (8-10 May 1996)
Ruhr-Universitat, Bochum, Germany (5-96)
 NSF Teaching Mineralogy Workshop, Amherst, MA (6-96).
University of Oklahoma, Norman, OK, (12-96)
University of New Mexico, Albuquerque, NM.  (4-97)  (Sigma Xi   Speaker)
Carneige Mellon University, University of Pittsburgh, Pittsburgh, PA. (4-97)  (Sigma Xi   Speaker)
Texas A & M University, College Station, TX. (4-97)  (Sigma Xi  Banquet Speaker)
University of Texas Medical Branch, Galveston, TX.  (5-97)  (Sigma Xi  Banquet Speaker)
U.S. Department of Agriculture, New Orleans, LA. (5-97)  (Sigma Xi  Banquet Speaker)
Tourmaline 1997, Brno, Czech Republic.  (Plenary Lecture). (6-97)
Hoffman-LaRoche, Nutley, NJ.(3-98)  (Sigma Xi  Banquet Speaker)
South Dakota State University,  Brookings, SD; (4-98)  (2 talks) (Sigma Xi   Speaker)
University of South Dakota, Vermillion, SD; (4-98)  (Sigma Xi  Banquet Speaker)
Tennessee Technological University, Cookeville, TN; (4-98)  (2 talks)  (Sigma Xi  Banquet Speaker)
Corning Glass, Corning, NY; (5-98)  (Sigma Xi  Banquet Speaker)
International Mineralogical Association, 17^th general meeting, Toronto, ON, Can(8-98)
Louisiana State University, Business Law Class, (9-98)
IGPP Annual Meeting, Los Alamos National Lab, Los Alamos, NM. (9-98)
American Geophysical Union, Syposium on Fluids and Fluid flow in the crust.(12-98).
University of Texas, Austin, TX. (12-98) (2 talks)

Illinois State Museum, Springfield, IL. (4-00)
University of Texas - El Paso, El Paso, TX. (12- 00)
New Mexico State University, Las Cruses, NM (12-00.)
University of North Dakota, Grand Forks, ND. (01- 01)
University of Arizona, Tucson, AZ  (02- 2001)
Southern Methodist University, Dallas, TX (04- 01)
Sierra Club, Baton Rouge Chapter, (06-02)