No higher resolution available. Tumblr_mlb0kvRH0c1qcqxh7o1_500.jpg (download) (500 × 344 pixels, file size: 56 KB, MIME type: image/jpeg) About File History Metadata There is no description yet. Add a description. Appears on these pages of Penny Hofstadter/Gallery - Groups Source Professor Proton Arthur Jeffries, Ph.D.—a.k.a. Professor Proton— was a down-on-his-luck former children's science... Sheldon/Gallery - Male Friends Add an image See full list > File history Click on a date/time to view the file as it appeared at that time. Date/TimeThumbnailDimensionsUserComment current01:20, April 17, 2013500 × 344 (56 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. JPEG file comment CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 85 Retrieved from "http://bigbangtheory.wikia.com/wiki/File:Tumblr_mlb0kvRH0c1qcqxh7o1_500.jpg?oldid=65350" 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.