The Aveni Foundation and the Cancer Center of Southern California proudly announce the publication of “From Mendel to Gene Therapy” by Jeffrey S, Brigham DA, Chawla SP, Federman N, Hall FL and Gordon EM (Anticancer Res.43:4257-4261, 2023). In this article, Jeffrey et al. map out the history of genetic medicine from Gregor Mendel, whose experimentation in the field of heredity laid the groundwork for modern genetics, consequently paving the way for gene therapy.