In and after 1964 when I began to concern myself with the biological issues, and particularly from 1967 onwards, the extent of the problems over which I felt uneasy increased to such a point that in 1968 I felt a compelling urge to make my views public.
Andrei SakharovAbout author
- Author's profession: Physicist
- Nationality: russian
- Born: May 21, 1921
- Died: December 14, 1989