Workers' compensation is one of the few State-administered income-maintenance programs operating throughout the United States. The national "system" to provide benefits for work-caused disability and death actually consists of 50 independent State operations and several special Federal programs. The Social Security Administration developed and continues to improve basic statistics to measure tr...

The untimely death on 22 September 1978 at the age of sixty-two of Kenneth Bryn Thomas brought great sadness to his many friends in many countries. The high regard in which he was held was not only for his outstanding place in his professional activities both in anaesthetics and in medical history but for his unique qualities as a true and loyal friend, ever ready with advice and encouragement ...

The authors describe various methods of inducing, identifying and characterizing large number of gene mutations in the red bread mold Neurospora that are concerned with the synthesis of vitamins, amino acids and other essential metabolites. [The SCI ® indicates that this paper was cited 271 times in the period 1961-1977.] "Our approach to a better understanding of genes, enzymes and chemical re...