Cray himself. Here's a talk about designing it. My favorite part is his description of the aluminum machining they had to invent in order to move the freon th

Cray himself. Here's a talk about designing it. My favorite part is his description of the aluminum machining they had to invent in order to move the freon through the frame to keep the machine from melting. It's a great talk. https://www.youtube.com/watch?v=vtOA1vuoDgQ https://www.youtube.com/watch?v=vtOA1vuoDgQ