John atanasoff is an american physicist and inventor, who was the one who made the first electronic digital computer, the atanasoff berry computer, or the ABC, like the ones of today, his dad kinda had a bad life as his dad, john's grandpa was killed during the bulgarain revolt, so he left with his uncle to america and met his wife, a nurse there. John was born october 5th 1903 in hamilton new york and died in frederick maryland on june 15, 1995 at the age of 91 after a lengthy illness was ended by a stroke