Size of this preview: 503 × 600 pixels. Other resolutions: 201 × 240 pixels | 402 × 480 pixels | 644 × 768 pixels | 859 × 1,024 pixels | 1,419 × 1,692 pixels.
Original file (1,419 × 1,692 pixels, file size: 1,023 KB, MIME type: image/jpeg)
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 18:23, 10 December 2013 | 1,419 × 1,692 (1,023 KB) | Mary Mark Ockerbloom | {{Photograph |title |photographer = |Description ={{en|1=Photograph of Gregg Alton, chemist Chemical Heritage Foundation, Philadelphia, PA, USA. }} |depicted people ={{depicted person|Gregg Alton}}... |
File usage
The following page uses this file:
Global file usage
The following other wikis use this file:
- Usage on id.wikipedia.org
- Usage on www.wikidata.org