Steven J. Sasson (born July 4, 1950) is an American electrical engineer and the inventor of the first self-contained (portable) digital camera. Sasson is a 1972 (BS) and 1973 (MS) graduate of Rensselaer Polytechnic Institute in electrical engineering. He attended and graduated from Brooklyn Technical High School. He has worked for Eastman Kodak since shortly after his graduation from engineering school.
Steven Sasson invented the first self-contained digital camera at Eastman Kodak in 1975. It weighed 8 pounds (3.6 kg) and had only 100 × 100 resolution (0.01 megapixels). The image was recorded onto a cassette tape and this process took 23 seconds. His camera took images in black-and-white.
As he set out on his design project, what he envisioned for the future was a camera without mechanical moving parts (although his device did have moving parts, such as the tape drive).
Sasson's patent claimed an arrangement that allowed the CCD to be read out quickly ("in real time") into a temporary buffer of random-access memory, and then written to storage at the lower speed of the storage device; essentially all modern digital cameras still use such an arrangement.
His was not the first camera that produced digital images, but was the first hand-held digital camera. Earlier examples of digital cameras included some cameras used for satellite photography, experimental devices by Michael Francis Tompsett et al., and the commercial product and hobbyist camera called the Cromemco Cyclops.
According to en.wikipedia