logo

Video encyclopedia

Louis Harold Gray

Biography

2:12

Louis Harold Gray | Wikipedia audio article

 

1:39

Teen dies after fight outside middle school

 

3:33

Killer faces life in prison after bragging of murder on Snapchat

 

3:20

Virginia man accused of killing neighbor found guilty of first-degree murder; video shows incident

 

2:34

Suits Cast At Prince Harry and Meghan Markle Wedding

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.
  • Personal