Calithamnion roseum [= Callithamnion roseum] c. 1843 - 1853

"Calithamnion roseum" (c. 1843-1853) is a cyanotype by Anna Atkins, a pioneer in the use of photography for scientific documentation. The image depicts a delicate seaweed specimen, captured in stunning detail against a deep blue background. This work is part of Atkins' groundbreaking book "Photographs of British Algae: Cyanotype Impressions," which showcased her innovative use of the cyanotype process to capture the intricate beauty of marine life. Atkins' work not only advanced the field of photography but also contributed to the scientific study of algae.