Famous people I have seen face to face:

1) Paul Erdős - White Station HS cira 1996. Small crowd.
2) Dan Aykroyd - PDS cira 1986.
3) Leo Gallagher - UW Physics Departement, wandering around, looking for Prof. Sprott. cira 2000.
4) Potus Bush I - Thousand points of light era. Call it 1989. Boring speech.
5) Potus Clinton - A couple of speeches. cira 1993, 1996.

Not included: Politicos under the rank of president. Musicians.