Inspired by the 50th anniversary of the National Cancer Act, AACI is pleased to share The History of the Association of American Cancer Institutes. Written by Donald L. Trump, MD, and Eric T. Rosenthal, authors of Centers of the Cancer Universe: A Half-Century of Progress Against Cancer (Rowman & Littlefield, 2021), the AACI history is based on meeting minutes, other source documents and interviews with AACI past presidents.