From the ancient camera obscura to the 18th-century silhouette, many inventions preceded the advent of photography. Before photography (1 of 12) by George Eastman Museum
These are sharply defined, highly reflective, one-of-a-kind photographs on silver-coated copper plates. The Daguerreotype (2 of 12) by George Eastman Museum
Before the negative/positive process, Talbot tried photogenic drawing, salted paper prints, and calotype negatives. Talbot’s Processes (3 of 12) by George Eastman Museum
This process depends on a photochemical reduction that forms Prussian blue, an iron-based pigment. The Cyanotype (4 of 12) by George Eastman Museum
The wet collodion process can create thousands of prints. This technique eventually won out over the daguerreotype. The Collodion process by George Eastman Museum
What does an albumen print have in common with an omelet? The Albumen Print (6 of 12) by George Eastman Museum
Platinum prints are characterized by their delicate surface and subtle tonal gradations. The Platinum Print (7 of 12) by George Eastman Museum
Photographers like Alfred Stieglitz favored the handcrafted look of pigment prints. The Pigment Processes (8 of 12) by George Eastman Museum
This process was invented in 1864 and achieved acclaim for its exquisite rendering of detail and its permanency. The Woodburytype (9 of 12) by George Eastman Museum
With its shorter printing time, this process came to dominate black-and-white photography. The Gelatin Silver Process (10 of 12) by George Eastman Museum
Photography’s earliest practitioners dreamed of finding a way to capture the world around them—in color. Color Photography (11 of 12) by George Eastman Museum
We carry cameras in our pockets now. How has that technology become possible? Digital Photography (12 of 12) by George Eastman Museum