Bernard Cohen (physicist)

Bernard Leonard Cohen was a physicist born in Pittsburgh, who spent his career affiliated with the University of Pittsburgh, ultimately earning the distinction of Professor Emeritus of Physics. His work focused on astronomy, contributing to the broader understanding of the field. Cohen's expertise also extended to the study of radiation exposure, an area in which he held strong opinions.

Cohen was a vocal critic of the Linear no-threshold model, which suggests that any level of radiation exposure poses a risk. He argued against the idea that there is no safe threshold for radiation, a viewpoint that, although not universally accepted, has garnered support from a segment of the scientific community. Throughout his career, Cohen maintained his stance on this issue, leaving a lasting impact on the discussion surrounding radiation safety. He passed away in March 2012, leaving behind a legacy of contributions to the field of physics and astronomy.