Ext3.png 1,135pages on this wiki Add New Page Edit History Talk0 Size of this preview: 640 × 360 pixels. Other resolution: 320 × 180 pixels. Full resolution (download) (844 × 475 pixels, file size: 745 KB, MIME type: image/png) About File History Metadata There is no description yet. Add a description. Appears on these pages of Leonard Hofstadter Dr. Leonard Leakey Hofstadter, Ph.D., is an experimental physicist at the California Institute... Leonard Hofstadter/Gallery - Himself Add an image The Cooper Extraction "The Cooper Extraction" is the eleventh episode of the seventh season of the American sitcom The... File history Click on a date/time to view the file as it appeared at that time. Date/TimeThumbnailDimensionsUserComment current01:44, December 9, 2013844 × 475 (745 KB)Physicsisphun! (wall | contribs) Metadata This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file. Horizontal resolution 37.79 dpc Vertical resolution 37.79 dpc Read more Michael Hofstadter George Cooper Jr. President Siebert Retrieved from "http://bigbangtheory.wikia.com/wiki/File:Ext3.png?oldid=90874" Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.