Chemotherapy and Radiation Therapy By VCrissone17 Jan 1, 1901 The First Use of Radiation Radiation was firstly used to take x-rays in 1895 and soon after doctors accidentally began the use of radiation therapy. Jan 1, 1949 First Chemotherapy Drug Approved for Cancer The first drug for chemotherapy was developed by Dr. Roy Hertz and Dr. Min C. Li.
