inventor

Burrhus Frederic Skinner (March 20, 1904 – August 18, 1990) was an American psychologist, behaviorist, author, inventor, and social philosopher. He worked from 1958 until his retirement in 1974...

Nikola Tesla (July 10, 1856 – January 7, 1943) was a Serbian-American inventor, electrical engineer, mechanical engineer, and futurist. Born and raised in the Austrian Empire, Tesla studied engineering and physics in the 1870s without obtaining a degree, and in the early 1880s….