"Linus Pauling had come to Corvallis, and I, along with Verner Shomaker, had driven him back to his hotel. We were talking about the structure of DNA and Pauling simply said, 'When I was looking at that structure it never occurred to me that x-ray photograph that I was looking at, the very poor one, could have been of a wet crystal. My inability to fit the density of the crystal with only two helices was because it required more mass in the unit cell, and therefore I struggled to do that with three strands. It never occurred to me that the crystal could have been wet and that the extra density had to do with water.'"
Ken Hedberg. Ken Hedberg, OSU Professor Emeritus, on an incident ca. 1969. September 25, 2002.

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