SEEDS OF A MYTH. “Early in this century, Alexis Carrel, a noted cell culturist, surgeon and Nobel Laureate, described experiments purporting to show that fibroblasts derived from chick heart tissue could be cultured serially indefinitely. The culture was voluntarily terminated after 34 years. This finding sparked intense interest world-wide not only in the scientific community but in the lay press as well.”
http://protein.bio.msu.ru/biokhimiya/contents/v62/full/62111380.html