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| Four Heads of Laboratory (1949-2002) at opening of William Gates Building, 1 May 2002 |
| From left to right: Ian Leslie, Robin Milner, Roger Needham, Sir Maurice Wilkes |
| Photo courtesy of Simon Moore |
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| Opening of Intel Research in William Gates Building, 6 March 2003 |
| From left to right: Derek McAuley, Sir Alec Broers, Ian Leslie, David Tennenhouse |
| Photo courtesy of University Press Office |