Subcommittee would visit ANL or Arco during the first half of July (to. be arranged with Dr. Zinn). Dr. Smyth and Mr. Nichols expressed the hope that the Subcommittee would also consider whether the BWR were receiving a disproportionate share of enthusiasm, atthe expense of the fast breeder work, (Appendix C, item4) | | There was some discussion of the homogeneous reactor. _ Mr, WhitmanHomogeneous Reactor mentioned his feeling of. encouragement after visiting Oak Ridge. Dre. Smyth and Mr. Nichols raised the question whether one of. the intermediate steps before the full-scale reactor should not be skipped, Dr, Wigner said that although the Laboratory was concerned by some of the technical problems, it would probably agree to omit the next intermediate step if encouraged to do so. Mr. Whitman had an impression that it was in part a political question and that Oak Ridge would probably omit the next . step if the full-scale reactor were approved, Conmenting on U-233, Dr. Rabi said that the Committee felt that U-233 _ going ahead with it was a good idea, worthwhile in its own right. How ever, not enough information had been available at this meeting to serve as a basis for any far-reaching conclusions. He hoped that the Operations Analysis paper which considered U-233 in relation to other questions could be available at the next meeting. _ Plutonium Tsotope Separa- tion (Appendix Cc, item 2) Dr. Rabi next commented that the GAG favored the encouragement oF: isotope separation research wherever possible, Mr. Whitman suggested that K-25 could be encouraged to do’ more along this line. (Appendix C, item 3¢) New York Times The next subject discussed was the appearance of a column in the New York Times in which W. L. Laurence had made some statements which ~

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