Geek Fact for January 12th

In 1853, Gregorio Ricci-Curbastro, an Italian mathematician, was born.

He was instrumental in the development of absolute differential calculus, formerly called the Ricci calculus, but now known as tensor analysis.

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In 2001, William Hewlett died at age 87.

William Hewlett and David Packard founded Hewlett-Packard. The company’s first product was an audio oscillator invented by William Hewlett named the HP model 200A.
In Walter Isaacson’s book, Steve Jobs, William Hewlett is credited with giving 12-year-old Steve Jobs parts to build a frequency counter. We all know what happened after that.

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About the Author

Judy Novotny

Judy is a computer veteran with 30 years of experience. She has owned everything from a TRS-80, Apple IIe and various Windows-based PCs. She is currently living in her Apple ecosystem at home consisting of an iPhone, iPad, iMac, MacBook, Apple TV, iPod nano and two Time Capsules. She is a fan of all things mobile since she got her first Palm Pilot in 1999. Check out her iPad app, Number Wizard, in the App Store. Follow her on Twitter @junovotech or at