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I think it is safe to say that Paul and I disagreed about almost everything pertaining to science and educational philosophy. We argued about data interpretation, the significance of newly published articles, what one could (and could not) ask of students, the balance between course content and open student response, and so on. Sparring with him over 25 years was a source of stimulation (and frustration) over 25 years at Bryn Mawr. I would like to think we both learned a lot from our exchanges. In the past couple of years, we found ourselves agreeing more and more--something that made me very nervous! I will miss our debates, whether brief or extended, whether trivial or deeply significant. That we were able to trust each other enough to REALLY disagree without ever touching the core of our friendship is the measure of our relationship. I will treasure it all.