Tree of Hope, Remain Strong (1946) by Frida KahloFirst attempts in a new field of medicine rarely go according to plan. On September 14, 1990, Dr. William French Anderson and his team at the National Institute of Health (NIH) performed the first official gene therapy trial. The patient, a 4-year-old Ashanti deSilva, suffered from a rare genetic disease called adenosine deaminase (ADA) deficiency, a form of severe combined immune deficiency (SCID). Children with ADA-SCID rarely make it to adultho...