| Gregory Cook | Wake Forest University | January 6 - May 11 |
| Michael Holst | University of California at San Diego | January 6 - March 15 |
| Vincent Moncrief | Yale University | January 6 - May 11 |
| Harald Pfeiffer | Cornell University | January 6 - January 31 |
| Wolfgang Tichy | Pennsylvania State University | January 6 - February 15 |
| Niall O'Murchadha | University College, Cork, Ireland | January 7 - May 11 |
| Richard Matzner | University of Texas at Austin | January 9 -- January 10, April 2 |
| Larry Kidder | Cornell University | January 19 - January 26 |
| Peter Diener | Albert Einstein Institute, Golm, Germany | February 2 -- March 8 |
| Masaru Shibata | University of Tokyo | March 9 -- March 28 |
| Gerhard Schaefer | University of Jena | March 9 -- March 29 |
| James Isenberg | University of Oregon | March 30 -- May 11 |
| Bala Iyer | Raman Research Institute | April 6 -- May 11 |
| Scott Hawley | University of Texas at Austin | April 16 -- May 2 |
| Bernd Bruegmann | Pennsylvania State University | May 4 - May 11 |
| Frans Pretorius | California Institute of Technology | January 6 -- May 11 |
| Mark Scheel | California Institute of Technology | January 6 -- May 11 |
| Lee Lindblom | California Institute of Technology | January 6 -- May 11 |