Passions, pictures and other fun stuff:

· Ueshiro Shorin-Ryu Karate Club of Northfield, Minnesota

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· Punch Pizza

· The first 1,000 digits of π, courtesy of Tom Dobrow.

· Statz rappers

· Tsst! The funniest South Park episode.

· The Boundary Waters Canoe Area

· Just Food Coop

· Favorite Movies: The Matrix, Broadway Danny Rose, Casablanca, Battle of Algiers, Z, Lord of the Rings, High Fidelity, Dr. Strangelove, The Verdict, Silence of the Lambs, Seven Samurai, The Producers, Paths of Glory, Ordinary People

· My mathematics genealogy.

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First row: Tom, Danny, Angel and Lisa. Second row: Joe, Bob.

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The boys in the Grand Tetons, 1997.

Bob and Angel, a few years ago.