![](http://www.alamy.com/thumbs/6/AAD37802-FC2C-4942-ACFD-E676066E0049/PC3W3E.jpg)
Adolph Ferdinand Gehlen - Chemiker.
Size: 1341px × 1490px
Photo credit: © Balfore Archive Images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: archival, archive, art, artwork, classic, classical, collection, historic, historical, history, image, photo, picture, print, reference, vintage