Louis F. Wailly, PhD, 84, of Terre Haute, IN, died Monday, October 7, 2013 at Regional Hospital. He was born to Louis A. and Dorothy Sneider Wailly, July 11, 1929, in Terre Haute, IN. Louis graduated from Garfield High School in 1947 and received a BS in Mathematics/Chemistry/Physics from Indiana State University. His advanced Degrees included a M.S. in Chemistry/Physics from Indiana State University, a M.S. in Radiological Diagnostics from Colorado State University and a PhD in Radiology and Nuclear/Medical Applications from Colorado State University. He married Barbara Olivero in 1952 and relocated to several states while serving in the USAF/NASA and later as a medical consultant. Louis started his career as a chemist for Campbell's Soup and after completing college became a Math and Science teacher in the Terre Haute school system. He served in the U.S. Army and U.S. Air Force/NASA (with 26 years of military service) and worked in several areas of expertise as it related to radiation and its effects on the body and equipment. While teaching at the Air Force Academy he was the Director of Research for the Life and Behavioral Sciences Dept. As a medical consultant, Louis specialized in the setup, finance and business operations of radiation oncology clinics in addition to consulting on patient treatments. He was associated with and served on several national committees, including: Office of Scientific Research, Bureau or Rad Health (FDA), NASA, EPA, and the Atomic Energy Commission (Now the Nuclear Regulatory Commission). Louis was a private pilot earlier in life and was enthusiastic about aviation and the space program. He was an avid outdoorsman and took every opportunity to hunt and fish with family and friends. He enjoyed traveling to pursue these passions and visiting loved ones. Louis was proud of his daughters and grandchildren. He enjoyed sharing in the younger generations' activities and accomplishments. He never lost his enthusiasm for the advancements in science and technology. In his last days, while doing facetime on a cell phone with his grandchildren, he marveled at the changes he has seen and took part in during his lifetime. He is survived by his wife and four daughters: Cheryl (John) Hayes, Karen Wailly, Janice (Mark) Webster, Michelle (Matt) Misterka. He is also survived by eight grandchildren, five great-grandchildren, sisters: Frances (Jerry) Eder, Mary Wailly, brothers: Larry Rice and Ronald Wailly, several cousins, nieces and nephews. He was preceded in death by Kathy Wailly (daughter), his parents, sisters: Lue Amy Mann, Eloise Girton and Dorothy Stevenson. There will be a private memorial held for family.