The Wikipedia article on Herman Hollerith, consulted for the punched-card tabulating machine patent he filed in 1884 and was granted in 1889.
Facts
AuthorWikipedia contributors
PublisherWikimedia Foundation
URLhttps://en.wikipedia.org/wiki/Herman_Hollerith
Source TypeBiography
Reliability Tier2
Sources
Herman Hollerith (Wikipedia)
Claims Backed By This Source (22 claims)
This source backs 22 claims across the atlas. As facts: 14 well-attested. As cited relationships: 1 holds. Plus 7 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Engineers, 11 claims: 5 well-attested, 1 holds, 5 general references.
- Sources, 6 claims: 6 well-attested.
- Inventions, 5 claims: 3 well-attested, 2 general references.
Reader Challenges (0)
No disputes yet. Spotted an error or a better source? Open the first one.
Sign in to dispute this or suggest a correction.