[IMG: Stonehenge]
Stonehenge [IMG: Stonehenge]
Stonehenge [IMG: Nelson\'s Column, Trafalgar Square]
Nelson\'s Column, Trafalgar Square (London) [IMG: Nash\'s Place, Stratford]
Garden in Stratford-upon-Avon [IMG: Back of St. John\'s College]
St. John\'s College, Cambridge University [IMG: Olbrich Gardens]
Olbrich Botanical Gardens (Wisconsin) [IMG: Tough question]
Answering a tough question (MOP 2004) [IMG: After a MOP 2004 lecture]
After a MOP 2004 lecture [IMG: Olbrich Gardens]
Olbrich Botanical Gardens (Wisconsin) [IMG: Opera, Paris]
The Paris Opera [IMG: View from Montmartre]
View from Montmartre, Paris, France [IMG: University of Glasgow]
University of Glasgow [IMG: Erfurt, Germany]
Erfurt, Germany - Site of the first IMO attended by the USA [IMG: Thuringen Forest]
Thuringen Forest, somewhere between Eisenach, Germany and Wartburg Castle [IMG: Wedding]
Just married! (June 10, 2004) [IMG: Wisconsin]
State Street, University of Wisconsin - Madison [IMG: Championship]
2002 TopCoder Collegiate Championship; Semifinal Room 3 [IMG: Blarney Castle corridor]
Blarney Castle, Ireland [IMG: Blarney Castle Rock Close]
Blarney, Ireland [IMG: Blarney Castle]
Blarney Castle, Ireland [IMG: Mirabell Gardens]
Mirabell Gardens, Salzburg, Austria [IMG: Mozart fragrance]
Mozart fragrance (Salzburg, Austria) [IMG: Drawbridge]
Drawbridge, Carcassonne, France [IMG: Outer city wall]
Outer city wall, Carcassonne, France [IMG: Between the city walls]
Between the outer and inner walls, Carcassonne, France [IMG: French restaurant]
(French) restaurant in Carcassonne, France [IMG: Outer city wall at night]
Outer city wall, Carcassonne, France [IMG: Piazza San Marco]
Piazza San Marco, Venice, Italy [IMG: Piazza San Marco]
Piazza San Marco, Venice, Italy [IMG: Piazza San Marco]
Piazza San Marco, Venice, Italy [IMG: Water taxi ride]
On a Venetian water taxi [IMG: Canal]
Venice, Italy [IMG: Piazza San Marco at night]
Piazza San Marco, Venice, Italy [IMG: Grand Canal]
Grand Canal, Venice, Italy [IMG: Canal]
Venice, Italy [IMG: Mediterranean Sea]
Mediterranean Sea, Alghero, Sardinia (Italy) [IMG: Pizza]
Pizza, Sardinian style (Alghero, Sardinia) [IMG: Mediterranean Sea]
Mediterranean Sea, Alghero, Sardinia (Italy) [IMG: Mediterranean Sea]
Mediterranean Sea, Alghero, Sardinia (Italy) [IMG: Mediterranean Sea]
Mediterranean Sea, Alghero, Sardinia (Italy) [IMG: Bus stop]
Bus stop at Maristella, Sardinia (Italy) [IMG: Humped zebra crossing]
Cambridge, United Kingdom [IMG: Roof of Centre for Mathematical Sciences]
Roof of Cambridge mathematics department (United Kingdom) [IMG: Queen\'s dedication]
Gateway to Cambridge mathematics department (United Kingdom) [IMG: Willy]
Mathematicians\' dinner, Churchill College (Cambridge, UK) [IMG: Colosseum]
The Colosseum (Rome, Italy) [IMG: Roman ruins]
Roman ruins [IMG: Roman ruins]
Roman ruins [IMG: Roman ruins]
Roman ruins [IMG: Colosseum]
The Colosseum (Rome, Italy) [IMG: Colosseum]
The Colosseum (Rome, Italy) [IMG: Spanish Steps]
The Spanish Steps (Rome, Italy) [IMG: St. Peter\'s Square]
St. Peter\'s Square (Vatican City) [IMG: Points of interest]
Cambridge, United Kingdom [IMG: Danube river]
Danube river, Budapest, Hungary [IMG: Telephone booth]
Telephone booth near Buda Castle (Budapest, Hungary) [IMG: Bicycles]
Copenhagen, Denmark [IMG: Maelk]
Copenhagen, Denmark [IMG: Kewell, 6th avenue]
6th Avenue at night (Manhattan) [IMG: Times Square]
Times Square