Mike O’Nan

I just heard the news that Mike O’Nan died on Monday.

I never knew him well, but I know for sure that his name will not be forgotten: a sporadic simple group, a theorem about maximal subgroups of symmetric groups (depending on a result on the socle of a primitive permutation group) that he proved simultaneously with Leonard Scott, a technique for showing non-existence of sharply 2-transitive subsets of certain 2-transitive groups …

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About Peter Cameron

I count all the things that need to be counted.
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