TALKS GIVEN

Contributed talk: American Mathematical Society Meeting, January 1974, San Francisco, California.

Invited address: Michigan Topology Conference, November 1974, East Lansing, Michigan.

Contributed talk: American Mathematical Society Meeting, January 1976, San Antonio, Texas.

Colloquium: Utah State University, April 1976.

Colloquium, Utah State University, April 1976.

Colloquium, University of Kentucky, April 1976.

Contributed talk: American Mathematical Society Meeting, January 1977, St. Louis, Missouri.

Colloquium, Brigham Young University, February 1977.

Contributed talk: Mathematical Association of America, May 1977, Salt Lake City, Utah.

Colloquium, Utah State Univesity, November 1977.

Contributed talk: CBMS/NSF Regional Conference on the Topology of Manifolds, October 1978, Stillwater, Oklahoma.

Contributed talk: American Mathematical Society Meeting, January 1980, San Antonio, Texas.

Contributed talk: American Mathematical Society Meeting, January 1981, San Francisco, California.

Colloquium, Brigham Young University, March 1981.

Contributed talk: Mathematical Association of America Meeting, April 1981, Provo, Utah.

Invited talk: Special Session on Low Dimensional Manifolds, October1981, American Mathematical Society, Austin, Texas.

Contributed talk: American Mathematical Society Meeting, January 1983, Denver, Colorado.

Invited talk: Idaho State University Conference, March 1983.

Invited talk: Special Session on 4-manifolds, American Mathematical Society, April 1983, Salt Lake City, Utah.

Colloquium, Brigham Young University, March 1983.

Colloquium, Brigham Young University, February 1984.

Invited talk: Semester on Topology, June 1984, Warsaw, Poland

Invited talk: First Annual Western Regional Mini-conference in Geometric Topology, August 1984, Provo, Utah.

Invited talk: Second Annual Western Regional Mini-conference in Geometric Topology, June 1985, Colorado Springs, Colorado.

Invited talk: Third Annual Western Regional Mini-conference in Geometric Topology, June 1986, Colorado Springs, Colorado.

Invited talk: Special Session in Geometric Topology at the regional meeting of the American Mathematical Society, October 1986, Logan, Utah.

Invited talk: Spring Topology Conference, March 1987, Birmingham, Alabama.

Invited talk: Fourth Annual Western Regional Mini-conference in Geometric Topology, June 1987, Corvallis, Oregon.

Invited talk: Fifth Annual Western Workshop in Geometric Topology, June 1988, Colorado Springs, Colorado.

Invited talk: Sixth Annual Western Workshop in Geometric Topology, July 1989, Provo, Utah.

Principal Speaker: Spring Topology Conference, April 1990, San Marcos, Texas.

 Invited talk: Seventh Annual Western Workshop in Geometric Topology, June 1990, Corvallis, Oregon.

 Invited speaker: Topology and its Applications, June 1990, Dubrovnik, Yugoslavia.

Invited talk: Special Session on Low Dimensional Topology, November 1990, Denton, Texas.

Invited talk: Eighth Annual Workshop in Geometric Topology, June 1991, Milwaukee, Wisconsin.

Contributed talk: Conference on Low Dimensional Topology, May 1992, Knoxville, Tennessee.

Invited talk: Ninth Annual Workshop in Geometric Topology, June 1992, Colorado Springs, Colorado.

Contributed talk: Spring Topology Conference, March 1993, Columbia, South Carolina.

Invited talk: Tenth Annual Workshop in Geometric Topology, June 1993, Newport Beach, Oregon.

Invited talk: Special Session, Annual Meeeting of AMS, Cincinnati, Ohio, January 1994.

Invited talk: Max Dehn Seminar, University of Utah, 30 November 1994.

Contributed talk: Spring Topology Conference, March 1995, University of Delaware, Newark, Delaware.

Invited talk:  Regional Meeting of AMS, Chatanooga, Tennessee, October 1996.

Invited talk: University of Wisconsin--Madison PhD Centennial, May 1997.

Invited talk: Special Session of AMS, Milwaukee, Wisconsin, October 1997.

Invited talk:  International Conference on Geometric Topology, Dubrovnik, Croatia, October 1998.

Contributed talk, Algebra Fun Fest, Sandy, Utah, October 1998.

Invited talk, Sixteenth Annual Workshop in Geometric Topology, June 1999, Milwaukee, Wisconsin.

Invited talk, NCTM Western Regional Conference, Boise Idaho, October 1999.

Invited talk, Nineteenth Annual Workshop in Geometric Topology, June 2002, Grand Rapids, Michigan.

Invited talk, Park City Mathematics Institute, Park City, Utah, June 2003.

Contributed talk, NCTM Western Regional Conference, Salt Lake City, Utah, October 2003