found: His Biology of the mycoplasma, 1967.
found: Aspectos actuales del envejecimiento normal y patológico, c1990:t.p. (L. Hayflick) p. 12 (Prof. y Dir. del Centro de Estudios Gerontológicos, Univ. de Florida, USA)
found: American men and women of science, 1972:p. 2580 (Hayflick, Leonard; b. 5/20/28; medical microbiology; gerontology)
found: The New York times website, 16 Oct. 2024(Leonard Hayflick; born on May 20, 1928, in Philadelphia, died Aug. 1, 2024, at his home in Sea Ranch, Calif.; biomedical researcher who discovered that normal cells can divide only a certain number of times; emeritus professor at the University of California, San Francisco; also worked at the University of Pennsylvania, Stanford University, and University of Florida) - https://www.nytimes.com/2024/08/17/science/leonard-hayflick-dead.html
