Credit: Maria Dryfhout/Shutterstock.com. This month, the U.S. Census Bureau undertakes the 24th national census, beginning with Census Day on April 1. Today's tools for data collection include the ...

Click to open image viewer. Replica of Punch Card used by the U.S. Bureau of the Census in 1900, Front CC0 Usage Conditions ApplyClick for more information. IIIF provides researchers rich metadata and ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. These paper twenty-four column punch ...

Statistician and inventor Herman Hollerith became known as the father of modern automatic computation for his electric tabulating system, which revolutionized the US census. He was recruited to work ...

Punch card data input is so 1890 US Census, right? Maybe not, if your goal is to educate kids about binary numbers and how they can encode characters. In which case, this paper clip and metal tape ...

The first automatic data processing system. Developed by Herman Hollerith, a Census Bureau statistician, the machine was first used to count the U.S. census of 1890. It was so successful that ...

As a schoolboy growing up in New York City in the 1870s, Herman Hollerith often managed to sneak out of the schoolroom just before spelling lessons. His teacher noticed and one day locked the door; ...

On June 8, 1887, Herman Hollerith applied for US patent #395,781 for his punch card counting machine, a device considered to be among the foundations of the modern information processing industry and ...

If you mention punch cards to most people, they’ll think of voting. If you mention it to most older computer people, they’ll think of punching programs for big computers on cards. But punched cards ...