DescriptionCecilia Helena Payne Gaposchkin (1900-1979) (cropped).jpg English: Subject: Gaposchkin, Cecilia Helena Payne 1900- Harvard College Observatory...
flickr.com/photos/smithsonian/6891598141/ operator: Flickr URL: https://live.staticflickr.com/7195/6891598141_faa0ecb21b_o.jpg determination method: SHA-1...