37. Herman Hollerith
- Most Famous For Inventing: Electromechanical Tabulating Machine
The name Herman Hollerith is not massive, but he is one of the world’s greatest inventors. He invented the electromechanical tabulating machine. It was used for punching cards that helped people summarize information. This was later used for accounting needs and “clocking in” at your particular workplace. Herman essentially revolutionized data processing with his patented invention.