In 480 BC, Hippocrates used mud on patients to find underlying illnesses. Areas that would dry first were believed to indicate underlying organ pathology.
Claude Bernard (1813-1878) described how the body attempts to maintain steady levels of heat, water, etc.
In 1956, Canadian R. N. Lawson discovered that the skin temperature over a cancer was higher than that of normal tissue. He showed the venous blood draining from the tumor site is often warmer than its arterial supply.
DENTISTRY MEETS MEDICINE: Dr. Weston Price studied the dental health of Native populations and compared them to "civilized" populations.
Taking the Dentistry to a new level: Dr. Arno Rost - Measuring skin temperature behavior from cool-air stress induction, patterns of diseases were documented clinically. Over 50 disease “signatures” were found and substantiated through thousands of patients over a 15-year period
Alfred Pischinger (1899-1982) "Regulation Thermography is a true method for the diagnosis of the regulation matrix and its consequent disease manifestations"
Hans Seyle (1907-1982) The Father of Stress
The Journal of Complementary Oncology quotes Thermography as being important for breast cancer detection, determining patterns to be recognized and interpretation for their diagnosis.
Dr. Daniel Beilin OMD brought the technology of Thermography to the United States, made it free from human error by using computers and received the FDA clearance in 1997.