◆ SpookStack

™_ ; " - By letter dated April 17, 1944, the War Department, “» Washington, D.C. enclosed photostats of GI-RI revorts cover= <° Jing results of investigations during the month of February, \ Je, regarding 10 indiviceuals Included in these Photostats was @ report dated March 1, 195i, caotioned "Joseph WwW. Weinberg, Raciation Laboratory ,. Berkeley, cantfornis jes f Vw According to this report Joseph W. Weinberg was employed with the Theoretical Group at the Radiation Laboratory at the University of California, working on the 4 D.S.M. project. On March 29, 1543, Weinberg gave Steve helee ‘elson, Secretary, Communist Party of «Alameda County, and an ui cperative of the Comintern Apparatus, information concerning t' t the basic conceptions behind the D.5. M. project, and an nh " estimate of the time necessary to complete the work. Vk gar \* ; Sy A chronological report of the activjties of Joseph W. Weinberg for the month of Pebruary, 1943, compiled from various detailed reports on file in that office, was. set out. Informatior was obtained as a result of technical surveillance of Weinberg from 4 p.m. until the time of his retirement each day, together with the reports of Confidential Informants MIS SF-8 and MIS SF-20, who observed Weinberg continuously while at his home, 2+27 Blake Street. a en - Under the date February 5, 1944, the following information avpeared: “During the morning Joe had a discussion with Merle Weinverg, concerning scientific work throughout the world. He said, 'It is remarkable hpw much scientific. work has been done by the Germans. If I could only read German, I could learn 90% of all the physics done in this country. The Danes, Swiss and Dutch, write in German. The Germans have dome at least 50% of the work in ph,sics. I'm sorry to say, the * - Russians have had very little to vo with the tremendous advance ‘= . made.* Weinberg then discussed some of the experiences of Albert Einstein in Germany Vs fa/ von, Mog 100-150625-788, p. 29 os . he AMH: onr \y™ { ok PAO fs