 - The lab in the Department of Chemistry of Purdue University Apr. 25, 28 (Lafayette, April 5 - 28, 1998)
 - The lab in the Department of Chemistry of Purdue University Apr. 25, 28 (Lafayette, April 5 - 28, 1998)
 - Purdue University 8/13/98 - The lab in the Department of Chemistry 9/1/98 (Lafayette, July 12 - September 1, 1998)
 - view from the lab of the Department of Chemistry 4/28/98 (Lafayette, April 5 - 28, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 Jack Yang, Stephen Belair and Pablo Nigra in the lab of the Department of Chemistry (a little white fan later 5/31/99 caused a fire). Purdue University, West Lafayette IN, January 6, 1999.
 Wetherill Laboratory of Chemistry at Purdue University, West Lafayette IN, 20 June, 1999.
 Wetherill Laboratory of Chemistry at Purdue University. West Lafayette IN, January 3, 1999.
 Brown Laboratories of Chemistry at Purdue University, West Lafayette IN, 21 June, 1999.
 - Purdue University - Chemical Department (Dallas - West Lafayette, November 10 - 22, 1997)
 - Purdue University - Chemical Department (Dallas - West Lafayette, November 10 - 22, 1997)
 - Purdue University - Chemical Department (Dallas - West Lafayette, November 10 - 22, 1997)
 View of Nuclear Engineering Building from the lab at the Dept. of Chemistry. Purdue University, West Lafayette IN, January 6, 1999.
 Remains of a fan (?) and books after a fire in the theoretical chemistry lab of Purdue University at Memorial Day. West Lafayette, Indiana, June 1, 1999.
 A burned desk in the theoretical chemistry lab (there was a coffee pot?) after a fire at Memorial Day. Purdue University, West Lafayette, Indiana, June 1, 1999.
 Burned part of the theoretical chemistry lab (there was a bookshelf) after a fire at Memorial Day. Purdue University, West Lafayette, Indiana, June 1, 1999.
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 Quantum chemistry group of Purdue University (Qicun Shi, Pablo Nigra, Jack Yang, Stephen Belair, Sabre Kais, Aaron Stanton) in front of "King Buffet" restaurant after $8 seafood dinner. Lafayette, Indiana, April 30, 1999.
 - Purdue University 1/3/99 (West Lafayette, November 26, 1998 - January 3, 1999)
 - Purdue University 1/3/99 (West Lafayette, November 26, 1998 - January 3, 1999)
 - Purdue University 1/3/99 (West Lafayette, November 26, 1998 - January 3, 1999)
 - Purdue University 1/3/99 (West Lafayette, November 26, 1998 - January 3, 1999)
 - Purdue University 1/3/99 (West Lafayette, November 26, 1998 - January 3, 1999)
 Fountain of Purdue University Mall. West Lafayette, Indiana, March 10, 1998.
 Purdue University Hall and Recitation Building. West Lafayette, Indiana, March 10, 1998.
 Purdue University Mall and Bell Tower. West Lafayette, Indiana, February 27, 1998.
 - near Agricultural Mall in Purdue campus 4/28/98 (Lafayette, April 5 - 28, 1998)
 Purdue University Memorial Union from State Street. West Lafayette, Indiana, March 10, 1998.
 - Patriotic concert in West Lafayette, Purdue campus 7/4/98 (Lafayette, May 24 - July 12, 1998)
 - Patriotic concert in West Lafayette, Purdue campus 7/4/98 (Lafayette, May 24 - July 12, 1998)
 - Patriotic concert in West Lafayette, Purdue campus 7/4/98 (Lafayette, May 24 - July 12, 1998)
 A lecture of Sabre Kais Phase transitions and critical phenomena for electronic structure of atoms and molecules (?) at internal meeting of the quantum chemistry group of Purdue University. West Lafayette, Indiana, September 21, 1999.
 Pablo Nigra, Qicun Shi, Stephen Belair, Imad Ladadwa and Ricardo A. Sauerwein ready to listen a lecture of S. Kais at internal meeting of the quantum chemistry group of Purdue University. West Lafayette, Indiana, September 21, 1999.
 Pablo Serra and Huan Pablo Neirotti at a dinner in a restaurant near Purdue University. West Lafayette, Indiana, February 26, 1998.
 - The lab in the Dept. of Chemistry 9/29/98 (Lafayette, September 12 - 29, 1998)
 - The lab in the Dept. of Chemistry 9/29/98 (Lafayette, September 12 - 29, 1998)
 Purdue Mall and Administration Hall at Purdue University, West Lafayette IN, 20 June, 1999.
 Fountain near John Purdue grave, Purdue University, West Lafayette IN, January 3, 1999.
 Fountain of Purdue Mall and Bell Tower at Purdue University, West Lafayette IN, 20 June, 1999.
 - Purdue campus 6/6/98 (Lafayette, May 24 - July 12, 1998)
 - Purdue campus 6/6/98 (Lafayette, May 24 - July 12, 1998)
 S.-w. side of Purdue Mall, view from Electrical Engineering Building. Purdue University, West Lafayette, Indiana, October 29, 1999.
 Qicun Shi explains to Sabre Kais correlation effects in scattering of an electron on lithium-like atom with a variable nuclear charge slightly above two after a lecture of Imad Ladadwa about ionization cross sections at internal meeting of the quantum chemistry group. Purdue University, West Lafayette, Indiana, October 1, 1999.
 Purdue Mall, the fountain, and Hall of Administration, view from Electrical Engineering Building. Purdue University, West Lafayette, Indiana, October 29, 1999.
 Sabre Kais and Qicun Shi discuss electronic shell structure and correlations in scattering of an electron on lithium-like atom with a variable nuclear charge slightly above two after a lecture of Imad Ladadwa about ionization cross sections at internal meeting of the quantum chemistry group. Purdue University, West Lafayette, Indiana, October 1, 1999.
 Purdue Memorial Union (student services). West Lafayette, Indiana, February 27, 1998.
 H2O Fountain in fog in front of Chemistry Department on campus of Texas A and M University. College Station, Texas, December 21, 2013
 H2O Fountain in front of Chemistry Department on campus of Texas A and M University. College Station, Texas, December 21, 2013
 - Purdue University (Dallas - West Lafayette, November 10 - 22, 1997)
 - Purdue University (Dallas - West Lafayette, November 10 - 22, 1997)
 - Purdue University (Dallas - West Lafayette, November 10 - 22, 1997)
 Purdue University Mall. West Lafayette IN, January 3, 1999.
 Purdue University, Administration Hall. West Lafayette IN, January 3, 1999.
 Purdue University Mall. West Lafayette, Indiana, October 10, 1999.
 Founders Park at Purdue University, West Lafayette IN, 20 June, 1999.
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 Founders Park in Purdue University. West Lafayette, Indiana, September 21, 1999.
 Fountain of Purdue University Mall. West Lafayette, Indiana, September 21, 1999.
 Purdue University Mall during afternoon hours. West Lafayette, Indiana, September 21, 1999.
 Frozen ornamental cabbage at Centennial Mall. Purdue University, West Lafayette IN, January 6, 1999.
 Purdue University Mall and Electrical Engineering Building. West Lafayette, Indiana, September 26, 1999.
 - Lafayette 3/22/98 (Lafayette March 22 - April 5, 1998)
 - Lafayette 3/22/98 (Lafayette March 22 - April 5, 1998)
 - West Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 View of Purdue University Mall from the second floor of Electrical Engineering Building. West Lafayette, Indiana, September 21, 1999.
 - Christmas party of Department of Chemistry 12/6/97 (Dallas, December 1 - 6, 1997)
 - Christmas party of Department of Chemistry 12/6/97 (Dallas, December 1 - 6, 1997)
 - Christmas party of Department of Chemistry 12/6/97 (Dallas, December 1 - 6, 1997)
 - the lab in SMU Department of Chemistry (Norman - Dallas, December 28, 1996 - January 31, 1997)
 A grey squirrel gnawing a nut on its home range near Mechanical Engineering Building. Purdue University, West Lafayette, Indiana, October 1, 1999.
 - Lafayette 4/5/98 (Lafayette, April 5 - 28, 1998)
 Discussion in front of the Department of Chemistry of Technion. Haifa, the Middle East, May 25, 2001
 In the dean s office in the Department of Chemistry of Technion. Haifa, the Middle East, May 25, 2001
 Students walking between Engineering Center and Engineering Laboratories. Purdue University, West Lafayette IN, January 6, 1999.
 A dove nesting opposite to Department of Chemistry of BGU. Beer-Sheva, The Middle East, March 16, 2000
 A dove nesting opposite to Department of Chemistry of BGU. Beer-Sheva, the Middle East, July 15, 2000
 Shimshon Kallush and Eric Heller in front of the Department of Chemistry of Technion. Haifa, the Middle East, May 25, 2001
 - Celery bog 4/11/98 (Lafayette, April 5 - 28, 1998)
 - Celery bog 4/11/98 (Lafayette, April 5 - 28, 1998)
 Sharona Shemtovs, Shimshon Kallush, and Bilha Segev in front of the Department of Chemistry of Technion. Haifa, the Middle East, May 25, 2001
 - Celery bog 3/29/98 (Lafayette March 22 - April 5, 1998)
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