Alexander Graham Bell  was born in Edinburgh, Scotland and was a renowned
scientist, inventor, and engineer who is credited with inventing the first practical
telephone. In 1888, Alexander Graham Bell became one of the founding members
of the National Geographic Society.

Bell with his prototype model of the telephone

Edwin Land,above, demonstrated the Polaroid Land Camera to the Optical
Society of America in New York City. It was the first camera to take, develop
and print a picture on photo paper all in about 60 seconds.The photos were
in black and  white. The new camera went on sale the following year.

 
Pictured is the Polaroid model 95

 
Left to right above are John W. Mauchly and John P. Eckert

ENIAC short for Electronic Numerical Integrator And Computer, was the world’s
first general-purpose electronic computer. It was a digital computer capable of being reprogrammed to solve a full range of computing problems. ENIAC was designed to calculate artillery firing data for the U.S. Army’s Ballistic Research Laboratory. The computer was conceived and designed by John W. Mauchly and John P. Eckert
(photo above) of the University of Pennsylvania’s Moore School of Electrical
Engineering. The project was financed by the U.S. Army during World War ll.

 
Above are photos of the ENIAC and programmers at the University of Pennsylvania