Axial Commons Image Treasury
Black line drawing of a branched chemical structure on a small white card, captioned John Yudkin, centered on a grey page.

Chemical structure drawing labeled John Yudkin

A small white printed card sits centered on a grey page with faint handwritten notes in the corners. The card holds a black line drawing of a branched chemical-style structure, with the caption "John Yudkin" printed beneath it.

Artist
Henry Stubbe
Date
1662
Medium
Source
Wellcome Collection
Size
2774 × 4000 px
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Public domain · Wellcome Collection marks it Public Domain Mark; made by 1662.
Rights checked 2026-11-05 · tier A · as stated by the source: Public Domain Mark (Wellcome Collection)

Credit (appreciated, not required for public-domain works): Wellcome Collection