Keywords: Sir John Douglas Cockcroft.jpg Source http //www aldebaran cz/famous/photos/Cockcroft_J_ jpg Rationale Photographer died >70yrs ago Transfered from http //en wikipedia org en wikipedia 2007-12-15 Original uploader was QueenAdelaide at http //en wikipedia org en wikipedia Released under the GNU Free Documentation License; PD-OLD-70 GFDL relicense GFDL relicense PD-old-70 original upload log page en wikipedia Sir_John_Douglas_Cockcroft jpg 2007-12-15 11 42 QueenAdelaide 330×450×8 20881 bytes <nowiki>Source http //www aldebaran cz/famous/photos/Cockcroft_J_ jpg Rationale Photographer died >70yrs ago PD-old-70 </nowiki> John Douglas Cockcroft |