Scientific discovery and artistic innovation often occur together in unpredictable ways. How is this relationship shaped by accident and synchronicity?
During the early 1700s, the color maker Diesbach was attempting to produce a red pigment from iron sulfate and potash in his laboratory in Berlin. He decided to be frugal and use some contaminated potash which his friend, the alchemist, theologian, and physician Johann Konrad Dippel, widely purported to be the model for Dr. Frankenstein, was about to throw out. As a result, he first obtained a very pale and unsatisfactory red. He decided to concentrate it, but it turned purple instead of a deeper red. At this point he concentrated it one last time and it became deep blue. Diesbach had accidentally created the first synthetic blue paint.
At that time the best and most reliable blue pigments came from ground lapis lazuli, a semi-precious stone, and they were extremely expensive. This alternative, easy to make, inexpensive, intense and non-toxic, would become incredibly popular and was known as Prussian or Berlin blue. It would later be used to color the uniforms of Prussian soldiers. In an ironic twist, painters also sometimes refer to it as Parisian blue, since the first painter to make it famous, although not the first to use it, was Antoine Watteau, who passed it on to his students. It has been used by artists all over the world, including Asian painters such as Katsushika Hokusai, who imported it from Europe. The color appeared in the crayon box in 1949 and has been known as Midnight Blue since 1958.
Prussian blue is made from a powder of tiny crystals. These crystals are not water soluble and differences in their size result in variations in shade. The color owes its intensity to the transfer of electrons between iron compounds. Unfortunately for us, Prussian blue cannot be accurately reproduced on a computer display.
In 1842, the scientist and astronomer Sir John Herschel, seeking a means to reproduce notes and diagrams, would use a solution of Prussian blue on treated paper. This was called a cyanotype, although we are more familiar with the term blueprint. He shared his invention with friends, including the botanist Anna Atkins. One of his first experiments was a rather eerie copy of an engraving of a lady playing the harp, seen below.
Anna, born in 1799, was the daughter of another famous scientist, John George Children, a mineralogist, zoologist and chemist. Her mother, Hester Anna, died from complications after Anna was born. As Children’s only child, she was very well educated and grew into a an accomplished scientist herself. Her father used her engravings to illustrate his translation of Lamarck’s Genera of Shells, published in 1823. After her marriage to John Pelly Atkins in 1825, she devoted herself to collecting plant specimens.
When Herschel exhibited the cyanotype as a way to copy manmade items, Atkins was intrigued and saw potential to render the images of natural subjects. She began making contact printed images of algae by placing them on cyanotype paper and exposing them to light, creating the photogram or camera-less photo.
“The difficulty of making accurate drawings of objects as minute as many of the Algae and Confera, has induced me to avail myself of Sir John Herschel’s beautiful process of Cyanotype, to obtain impressions of the plants themselves.”
In 1843 she published Photographs of British Algae: Cyanotype Impressions, the first book ever published containing photographs. She published a number of such books as well as non-photographic literary works, including her father’s memoirs, before she died at the age of seventy-two.
Like to read about women scientists and pioneers? You might enjoy Synkroniciti’s post on Maria Sibylla Merian, which you can read here.
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