The Immortal Life of Henrietta Lacks

For information about Gey’s pre-HeLa cell culture work, see G. O. Gey, “Studies on the
Cultivation of Human Tissue Outside the Body,” Wisconsin JJ. 28, no. 11 (1929); G. O. Gey
and M. K. Gey, “The Maintenance of Human Normal Cells and Human Tumor Cells in Con-
tinuous Culture I. A Preliminary Report,” American Journal of Cancer 27, no. 45 (May 1936);
an overview can be found in G. Gey, F Bang, and M. Gey, “An Evaluation of Some Comparat-
ive Studies on Cultured Strains of Normal and Malignant Cells in Animals and Man,” Texas
Reports on Biology and Medicine (Winter 1954).