~52Dr. Libby: Was completely in favor, Hoped the effort to purify plutonium of Pu~240 would not be set back. | Dr: Buckley: Did not feel qualified to give an independent opinion, Was always against more complications, .. but if there were a real advantage to U-233 would be swayed by that consideration. Dr, Rabi: Was convinced in the meeting. No loss or long term ai sadvantages are involved, and no element of danger was discovered, The advantages of simplicity and flexibility are impressive. Strongly supported the proposal, (Appendix B, item 1) Mri Strauss inquired whether the opinions would be changed if ie were found that the overall capability in number of crits would be less, | Dr. Rabi said his own feeling of approval would continue as long as there were no short term disadvantage. be made up by building another plant. A long term one could always He would have opposed the “proposal had it shown a short term loss, i.e, fewer weapons in '58, ener

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