Say cheese! Today we look at the history of photography, and how the camera helped create the modern computer. Here’s a website with a thumbnail sketch of the history of photography. Unraveling the History of Photography Here’s a video about how to make a room in your home into a camera obscura. How to Turn a Room into a Camera Obscura Here are some sites about lithography. Lithography in the Nineteenth Century A Printing Revolution Alois Senefelder Invents & Develops Lithography Here’s a site with information about how photography and photolithography came to be. History of Lithography, Heliography, and Photography