Herman Hollerith what was the power source?

He was born in Buffalo, New York, U.S. and died in Washington D.C, U.S.

electricity

Herman Hollerith (February 29, 1860 - November 17, 1929), the German-American statistician who developed a mechanical tabulator based on punched cards in order to rapidly tabulate statistics from...

light is the source of energy.

1. tradition 2. Physical might3. resources4. Land5. The people