Photos
Near Tübingen, Germany
Visiting Pisa and Florence, Italy (more photos: 1, 2, 3, 4, 5)
Mediterranean Coast near Marseille, France (more photos: 1, 2, 3)
Geometry conference, Minneapolis
Zürich, Switzerland
(more photos: 1, 2, 3, 4)
Mount Rigi, Switzerland
(more photos: 1, 2, 3)
Charlie Fefferman's birthday conference, Princeton
Rio de Janeiro, Brazil (more photos: 1, 2, 3)
St Louis Botanical Gardens