The invention of silver gelatine based photography changed the world as profoundly as any invention, including the printing press, railroads, airplanes and the personal computer. Silver gelatin media launched photography as a tool of creativity that expanded into a medium that became a powerful component of the world. As with all great discoveries and technological advances, it came from discoveries leading up to its use and the thousands of applications that followed. The Silver Hall of Fame recognizes individuals who contributed to silver’s amazing role in the history of the world.
Johann Zahn, was inducted into the Silver Hall of Fame, not for his use of silver, but for his studies related to light and his interests in the production of the camera obscura, (latin for dark chamber.) Zahn, a German priest, was the author of Oculus Artificialis Teledioptricus Sive...