优生学研究的必要性(在八十年代,遗传工程、体外授精、胚胎移植以及基因疗法等生物医学技术的发展将会更上一层楼。从而可以设想,优生的观点也将成为一个探讨的问题,但是,研究优生学史的人实在太少了。)最初,我是为了弄清楚随着遗传工程而产生的社会问题,特别是它的历史背景而开始研究优生学 Necessity of eugenics research (In the eighties, the development of biomedical technologies such as genetic engineering, in vitro fertilization, embryo transfer, and gene therapy would have taken a further step forward, and it is conceivable that the view of eugenics will also be explored Problem, but too few people study the history of eugenics.) Initially, I started to study eugenics in order to understand the social problems that arise with genetic engineering, especially its historical background