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: ” As you ere avare, from 19k] until bis departure in 1948, Donal& "=. --- Maclean vas active in connection with political @iscussions dealing vith © «> atomic energy. We have conducted a nutter of interviews with persons who Aw, Were aspociated with Mnclean in connection with Qiscussions had relative te .s-- ~ “Mr, Carroll Wilson, the foxrner General Manager of ths Atomic Energy =): Coumiasion vbo is now connected with the Climax Molybdenum Company in New York oo City, in an interview stated that he firet met Maclean in 1947 at a mocting of nd . the Conbined Developmsnt Trust, of viich Mr, Wilson wos Chairman, He said 0774) | Maclean vas not a reuber of the Trust but was an assistant to Gir Gordon ode Wonroe; the United Kingtou representative, Maclean attended all meotings of the Me Trust from 194] writil be left the United States. The Trust was composed of a oa the United Btates, the United Kingdom, and Canadian representativer, andits - | ~_— Yarpoce was to develop informetion concerning the location and availability of aa rev noterials for atomte production, negotiations for acquiring these rays materials and allocation of the rav materials. ‘The metings of the Trust = = cocinrved intermittently, sometines tvo or three tings @ mth, while at other tines no meetings vould teke place for a, period of exe or tvs months. Mr.” a Wilson aid Maclcan was aloo the United Kingdon representative on the Combined o Policy Commttee on which the Secretary of State ves Chairoan. Thin Committee “°/ Giscussed policios in the field of atowlc energy. Mr. Wilson aleo recalled aS Maclean attenied s three-dky declassification conference beld in October, 1947, The discussions at this conference vere limited te etomic energy inforretion ~~ | held in comon by the United tates, Canada, and the United Kingdom during the - - RECORDED COPY FILED war. A discussion did take place regarding atortic weapons. Mr. Wilson recalled thet Dr. Kiaus Fuchs alco attended thic conference, Mr. Vilson stated he never = - | sore MacLepa very vell, although be mt him occasionally at Washington cockteil -- parties. He alao attended « farewell party for Maclean in the latter's home in (Washiogton, BD. C. in tho sumer of 1946, at which forty or fifty people were 2s Mr. John KE. Gustafson of the MN. A. Ranna Coupany, Cleveland, Ohio, ° An an interview advised that he was forverly the Monager of the Raw Iaterials . . Operation with tho Atosie Energy Cormdssion st Washington, D. C. from 1947 to —-—__... - In that cepactty bo had metiuge with British representatives end re- - called that Donald KacLean of the British Embassy attended sbout six meetd ngs : Me ead that Macizean took no part in the Alecus and nppeared td be only. - on obeerver, (=, RECORDED - 135 | ce: Legat, Lond b Leaeaaaert inn: . Ug—. an 18 ~~ a 2 sre “ re te . and -