| The sgi Origin 3800 named teras | The Dutch national supercomputer | |
| The Cray C916/12-1024 named elsa | The former Dutch national supercomputer | |
| Work at SARA | Pictures of me at work at the Dutch national center for computer services | |
| The official SARA website | The official website of the Dutch national center for computer services | |
| Photo | Walter in California, 2003 | |
| Photo | Walter's Achievement: 7 bugs opened from a single case, SGI 2422407 | |
| Photo | Walter as Dracula |
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If you really must, you can contact the author at walter at heiho dot net
