A. It was their duty, their volunteer duty to render public service. They had nothing else to do but to render public service. In the experiments in which we used the conscientious objectors, they could devote their full attention to the experiments. Many of the subjects, which I have used, have been medical students or dental students, who besides serving as subjects had to attend their studies in schools. In the experiments we did on the conscientious objectors, they could not attend school at the same time and carry on or perform all the tests they were supposed to perform. For example, we used a group of conscientious objectors for repeated exposure to an altitude of 18,000 feet without the administration of supplemental oxygen. These tests involved the following of a strict diet, they involved the performance of work tests and psycho-motor tests, which required several hours every day to perform. Another group of. . . Read More