ts portions with “+rays. not such effects eon be Pre-test dete should be obtained as to whotier or misread seeured vith neutrons alone or with misel poli ro lictiona. This date conld be ovtcined from evclstven or shielded and washielicd pit. ie x experinents. Drosozuila shevld be,exresel anc genetic effects strdied. shovlc bs dene since immediately clher ex_csure. These studies Sufficient data apvecr to be knowm to cneble the eclouteticn of the fluxes of neutrons and gr ume Adin reya from a stucy of the doainart icthels and the recessive lethels incuce in exosed Droso2kile sverm. Because of the differences in reletivs ef lelency of neutrens and gemma rays for the prcduction of these two effects { 3 to] for dominant lethals and 1 tc atout 0.7 for recessive lethale) it should be possible to find the progortion of fast neutrons to gemma rays at the point of sxovure. Tis data alone would be of value to the physicist es 2 aed agcdust his wucisrements by instrunents. Genetic studies with Droso_hita should 3tert within a few hours efter ex,osure. In this case, tue folining iwividuels skculé2 be consulted te mao out a detailed program. They ere: Doctor? E, 7. Molar (Indiana Usiversity), Curt Stern (Berkely), end U.?. S sneer (Vocster Celleg2, Ohio). tTredecenntic would anpesr tc offer informetion of considcreble interest if the slants can te obteinsd ir. flevor ct the tire of the tests, slice it hag been sitensivel: studied] with rezird to effe-ts of X-reys, gemze res, mh tO P and fist neutrons of2 cifferms euergics by Doctors Karl Sex (Herverd), Noxmmen Giles (Oak Ridge & tioncl Labor: tory), end D. G. Cateheside (Casbridge 4 ome of these individusls should be 79 University, Cnglend) and his co-vorkers. consulted regarding feasibility. For the moment, further tests de not ap vecr -racticel. Iv is vell to emphasise, however, thetthig pacer rovrecents orelimincry thinking on this Wd - wsetier. Nhe? Mic sik neo es my eget eee - - tion and reavivngsmont of clamaing mus +. te- cee ee ” : DOK ARCHIVES