1. Sun Printing Cyanotype Impressions “The Pencil of Nature”

2. Anna Atkins(1799-1871) English Botanist Father George Children was a Scientist First Woman to Publish a book entirely of Photographs No hand drawn Illustrations She wrote letters back and forth to Henry Fox Talbot the inventor of Photography She learned about the Cyanotype method from the scientist Sir John Herschel a family friend

3. Algae: Cyanotype Impressions Published in 1843 Used Photography as an accurate medium for scientific Illustration Algae

4. Algae: Cyanotype Impressions This Reference book took 12 years Contains over 400 prints Only 12 of these books exist and can be viewed in a British Museum The photos are still in good condition

5. Cyanotypes of British and Foreign Flower Plants and Ferns (1854) Cyanotype also known as Blue Print She called her work Horse Tail

6. Cyanotypes of British and Foreign Flower Plants and Ferns (1854) Can you guess what this is?

7. Cyanotypes of British and Foreign Flower Plants and Ferns (1854)

8. What is a Cyanotype Photo ? A Blue Print Process Paper is coated with an Iron Salt solution (potassium ferricyanide) and Ammonium Citrate An object is fixed on this paper (Surface Negative) under glass

9. How it works When exposed to Sun Light a chemical reaction occurs The paper is washed and removes the exposed chemical area This results in a white image on a deep blue background This image is the “positive” or outline of the object used.

10. Do Photographers Still use the Cyanotype Process Today? Certainly - it is inexpensive You don’t need a dark room Some Artists hand coat or “Paint” the sensitized paper Some Artists coat other mediums such as wood or Cloth Many use actual Photo Negatives on sensitized paper

11. Linda McCartney 1941-1998 A Contemporary Photographer Wife of Paul McCartney of The Beatles Sunprints A book of photographs influenced by 19 th Century printing

12. Zeva Oelbaum “Blue Prints” First book of photographs Uses the cyanotype process in modern times Uses her “Negatives” and exposes them to natural light on sensitized paper.

13. Some Terms to Remember Negative Positive Shadowgraphs Blueprint Symmetry Principle of art Line and Texture