These are photos taken at the home of Roger and Sylvia Wiegand, at a party they had during the Commutative Algebra Days conference in Lincoln, March 14-15, 2002. See here for some photos of lectures given at the conference.
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Jim Lewis, Craig Huneke, and Ragnar-Olaf Buchweitz
Bahman Engheta, Judy Walker, and Steve Haataja
Ryan Karr, Dan Katz, Adela Vraciu, and Dave Jorgensen
Ragnar-Olaf Buchweitz, Karl Kattchee, Trish Nelson, and Roger Wiegand
Sean Sather-Wagstaff and Lucho Avramov
Craig Huneke, Dave Jorgensen, Tom Marley, and Susan Hermiller
Meral Arnavut, Sean Sather-Wagstaff, and Laura Ghezzi
Several people enjoy the puzzles
Ragnar-Olaf Buchweitz, Srikanth Iyengar, J.Iyengar, and Claudia Miller
Claudia Miller and Lucho Avramov
Judy Walker, Roger Wiegand, and Mark Walker
Janet Striuli finally figured out that puzzle.