Publication of a Harvard committee report on irreversible coma establishes a paradigm for defining brain death.[8][9] France becomes the first European country to adopt brain death as a legal definition (or indicator) of death.
September 15–22 – Zond program: Soviet spacecraft Zond 5 becomes the first vehicle to circle the Moon (September 18) and return to splashdown on Earth. It also carries the first living organisms to circle the Moon, including two Russian tortoises, Piophila, mealworms, plants and bacteria.
^DiGeorge, A. M. (1968), Congenital absence of the thymus and its immunologic consequences: concurrence with congenital hypoparathyroidism, vol. IV, White Plains, NY: March of Dimes-Birth Defects Foundation, pp. 116–21
^Rall, Maureen (2002). Petticoat Pioneers: The History of the Pioneer Women who Lived on the Diamond Fields in the Early Years. Kimberley, South Africa: Kimberley Africana Library. p. 117. ISBN978-0-62027-613-9.
^Bailey Ogilvie, Marilyn; Harvey, Joy (2000). The Biographical Dictionary of Women in Science: L-Z. London: Routledge. p. 877. ISBN978-0-41592-040-7.