New Orleans Street Race - Max Gray (Jazz Ensemble Sheet Music)
Wardell Gray, Louis Armstrong and Harold Land on Boplicity
Louis Harold Gray was an English physicist who worked mainly on the effects of radiation on biological systems, inventing the field of radiobiology as he went. A summary of his work is given below. Amongst many other achievements, he defined a unit of radiation dosage which was later named after him as an SI unit, the gray.