Physicist John Cockcroft with headphones on
JOHN COCKCROFT
Picture No
13239202
Media ID
47012412
Size
3375px x 4174px
(948KB)
Credit
(c) Keystone Pictures USA/ZUMAPRESS.com/Mary Evans
Usage Restrictions
Editorial Use Only - No Property or Model Releases. For any non-editorial use, please contact Mary Evans direct
Source
Keystone Pictures USA
