Dorr Eugene Felt 1862 - 1930
- occupation:
- Industrialist,
- Inventor
- Nationality:
- American
- born in:
- Newark, Wisconsin
1887 - invented the Comptometer, a calculating machine
1889 - invented the Comptograph, the first printing adding machine; established The Felt & Tarrant Manufacturing Company co-founded with investor and businessman Robert Tarrant on January 25, 1889