Callithamnion tetragonum
1843-1853
Imagine placing a piece of seaweed on light-sensitive paper and letting the sun do the rest—that's exactly how Anna Atkins created this stunning cyanotype in the 1840s. The ghostly white branches of Callithamnion tetragonum float against a deep Prussian blue background, looking like delicate frost on a winter window. This isn't just a pretty picture; it's a page from the very first book ever illustrated with photographs, blending early science and art in a way that changed how we document the natural world forever.
- Technique
- Cyanotype
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