Russell Kirsch who passed away in 2020 is the inventor of __________ ?

a) Camera
b) Lens
c) Pixel
d) None of these

Russel A. Kirsch, the computer scientist credited with inventing pixel passed away at the age of 91 at his home in Portland, Oregon, United States. Pixels, the digital dots used to display photos; video and computer screens were invented by Russell Kirsch in 1957.He scanned the world’s first digital photograph.