Delesseria hypoglassum 1851 - 1855

Anna Atkins, a pioneer in photography, created this cyanotype image of the seaweed *Delesseria hypoglossum* between 1851 and 1855. The image is from her book *Photographs of British Algae: Cyanotype Impressions*. Atkins used the cyanotype process to create this image, a photographic printing process that uses light-sensitive iron salts to produce a blue image. The intricate details of the seaweed are beautifully captured in the image, highlighting Atkins' groundbreaking work in botanical photography.