Miscellaneous
- Academic geneology
- Group pictures
- University of Freiburg: 2002
- ETH Zurich: 2004,
2005,
2006,
2008,
2009,
2011,
2012,
2013,
2014
2015,
2017,
2018
- Vanity corner
- Microsoft, Systems Group, 1983
(top row, 2nd from right)
- ETH Zurich, 2003
- Marktoberdorf, 2004
(photograph by David Harel, August 2004)
- ETRICS, 2006
- ETH Zurich, 2011
- Bundesbern, 2011
- Institute hallway, 2013
- Cyber Security Summit, 2017
- How to do research