Up until the late 1800's, all photo images were negatives. The first person known to have recorded an image on a photosensitive surface was Thomas Wedgewood, in 1800.
Henry Talbot
Kodak, philip morris invented "online" photo sharing and patented in 1994. Icu software,, jerry Ackerman invented photo sharing in 1990.
The black part on the negative keeps light from reaching the photo paper.
1940
it should be invented around 2007.
Adobe
Anatol Jhosepho invented photobooth 1894-1980
people say it was invented in 1855
The abacus was invented before cameras and so no photograph exists.
Alexander Graham Bell
Hong lunch hub
A photo negative scanner is used to scan negatives. Scanning negative photos is used to create digital images of standard photos. These images can be used for recreating the images, or for storage of images in a database.
If it is on film negative, you can take it to a photo devloped and get it developed into a positive photo at a small charge. If it is a digital negative it can be converted using the 'invert' command on programs such as photoshop, pixelmator, GIMP (free) and the like.