John Howard Hubbell (1925 – March 31, 2007) was an American radiation physicist born in Ann Arbor, Michigan.
[2] He was a founder and past president of the International Radiation Physics Society.
He was the author or co-author of over one hundred publications including the "Radiation Physics" article in the 2002 Encyclopedia of Physical Science and Technology.
In the scientific community, Mr. Hubbell is known for his evaluations, computations and compilations of photon cross sections and attenuation (and energy-absorption) coefficients used in medicine, engineering and other disciplines.
He is also known for his computationally tractable solutions of problems associated with the predictions of radiation fields.