The Waterbury Democrat., 1945-12-11

months imprisonment by the Nazis. At present, he lives in Switzerland
 Developed Lifeguards
 Dessauer was in charge of the physics section of the special prob lens division of the Rochester pro- ject at Rochester University.
 The Rochester group, under the direction of pr. Stafford L. War ren and working in conjunction with three other universities, had the responsibility of developing both medical care and health pro- lection for American workers ex- posed to unknown dangers on the A-bomb project
 AS result, not a single employe among the thousands who labored on the massive development was in- jured by any of the new and pecul- jar hazards of the work.
 Dessauer and his associates used the university's cyclotron to gen. crate neutronS or the caIbration of ionization chambers, and developed instruments for the detection and measurement of neutrons and gam ma radiation.
 Used Later in Experiments
 Many of these instruments, de- signed and made by the ROches- ter group, were later used after the first atomic test at Santa Fe, N. M., and also Gt Hiroshima and NagaSaki, to discover if radio &C., tivity was present in the ground following atomic explosions.
 Rochester scientists kept in daily contact with workers at A-bomb plants. Workers wore dental film" on their clothing. This film was sent to Rochester or examination,
 If, after being developed, 1t re- mained clear there was no radiation present and thus none had reached the worker. But if 1t clouded some radiation had reached the man in the plant.
 Thus employers were warned in time which of their workers needed instant protection from radiation by hCdl4llB pIOIcCGlFC dGNlCtS.
 Blade Tests on Animals
 The group used a 1,000- ,0O0-volt X-ray and other radiation therapy machines on animals in tests to de- termine what physiological changes occurred in the body as a result of radiation exposure.
 The scientists used 200 monkeys, 675 dogs, 10000 rats, PIT 400 mice, 100 hamsters Ca rat-like animaD and 200 rabbits in these and other tests.
 One monkey, during the height of the A-bomb secrecy, escaped from It's pen and spent two weeks terror izing the citizens of Rochester. He even attended a football game be- fore he was recaptured.
 Some animals were given large single doses of radiation exposure to determine the amount of acute rad iation which could be tolerated by a population in the event of an A. bomb accident or enemy attack.
 Skin Examined
 Dr. Roger Harvery, assistant pro- lessor Of radiology at Rochester, used finger impressions taken from doctors and dentists who had handled radium to determine if this caused any change in the hands skin.
 Harvery also conducted experi- m en ts involving irradiation of monkeys finger to determine the re- lationship between the size of the dose and the degree of change. He also wanted to. find out the extent to which skin changes might be de- tached before damage occurred.
 The scientists used the mice and 50,000,000 fruit flies to find out what effects, If any, were produced on the offspring of parents exposed to radi- ation. =
 The hermatology division also studied the effect of radiation on the blood, with more than 100000 complete analyses being made.
 Other tests determined how much uranium dust could be inhaled by a worker before he was seriously in- jured.