What JHC had

Just after I finished my Advances in losing presentation at the Gathering for Gardner, John Conway gave me a sheet of paper (on the Atlanta Ritz-Carlton stationery) on which he described what he knew about the indistinguishability quotient construction in misere impartial combinatorial games, as early as the 1960s and 1970s.

I thought I'd lost the sheet of paper, but now I just found it again.

"The way this stuff works, you get the credit, since you published it," he said. "But I wanted you to know what I had in case you write one of these history kind of things..."

Stanford Computer Science Dept 40th year anniversary

Bertrand Meyer took this cool photo of me standing amidst Whitfield Diffie (left), Ron Rivest, and Don Knuth (far right).

The Mosquito

The Mosquito ultrasonic teenage deterrent is a solution to the eternal bane of shopkeepers and mall owners around the world who are troubled by small crowds of anti-social teenagers who have nothing better to do than loiter outside their shops and stores deterring older customers who want to go into the shops to purchase goods...

[ link—apparently the noise The Mosquito makes is inaudible to almost everyone over the age of 30. So, if you were born prior to 1976 or so and are looking for a storefront to loiter in front of without anti-social teenagers getting in your way, look for The Mosquito^TM... ]