![](http://www.alamy.com/thumbs/6/F7CAAE47-4793-4BF8-852D-AB299A47C651/KYMJN6.jpg)
Portrait of Johann Christian Poggendorff (1796-1877), Physicist 2551865274 o
Size: 1253px × 1995px
Photo credit: © Len Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ancient, black, book, bygone, copy, cover, editorial, glasses, headshot, historic, history, illustration, institution, jacket, libraries, man, news, nostalgia, nostalgic, photo, photograph, photography, physicist, portrait, smithsonian, space, stock, textbook, vintage, white