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2. Johann Heinrich Schulz discovered
that a substance called silver nitrate
would change color when exposed
to light. This paved the way for the
first pictures to be taken and
processed.

3. Joseph Niepce
developed the
camera obscura
and took the first
photo with it. It
wasn't ideal, though,
because it took 8
hours of light
exposure to make a
picture, and the
picture faded with
time.

4. Louis Daguerre
invented a new
way to take
pictures. It only
needed 30
minutes of light
exposure, and the
image didn't fade
with time.

5. William Henry Talbot
developed the
Calotype process. This
made it possible to
make multiple copies of
the same picture.

6. With the new
Collodion
process,
cameras only
needed a few
seconds of
light exposure
to make a
picture.

7. Up until this time
pictures had to be
developed
immediately after
being taken. Richard
Leach Maddox
invented the gelatin
dry plate silver bromide
process, which made it
possible to take a
picture and develop it
later.

8. George Eastman
invented the first
roll-film camera.

9. The Polaroid allowed
people to take a photo and
have it developed
immediately, right from the
camera.

10. Polaroid came out with the first
colored film.

11. Sony put out the first
consumer
camcorder,
allowing people to
record their
memories in real
time.

12. The Sasson
Company built the
first digital camera.

13. Canon put out the
first digital camera
for the public, which
was later improved
by Pixar.

14. The camera phone
technology was first used in
Japan, but it quickly spread
around the world.

15. Kodak put out their Easy
Share digital camera,
which made it easy to
snap pictures and
download them to the
computer.

16. Kodak put out cameras
that didn't have to be
connected to a computer
in order to download and
share the pictures.