Federal Bureau of Investigation Attention: Kr. S. J. Papich
Deputy Director^ Plane'
is made to your letter datedubject aa above, your file.
Dr. OPPEJiRclIMER was one of approximately sixty leading American scientists lo bo invitod to the International Conference on High Energy Physics, sponsored by the International Union of Pure and Applied Physics held in Kiev fromo We have no information concerning f. Dr. OPPBJKEIMERis travel. Any additional information concerning this /'j, matter will be forwarded when it becomes available toOriginal document.