1. Money

Your suggestion is on its way!

An email with a link to:


was emailed to:

Thanks for sharing About.com with others!

Most Emailed Articles

How To Fill Out Form W-4

Krisztina Holly
Krisztina Holly
More on 
Krisztina Holly
Krisztina Holly
Krisztina Holly - telephony software and Visual Voice. 
Krisztina Holly
Engineer, entrepreneur 
Related Innovations
Women Inventors
By Mary Bellis

As an undergraduate at the Media Lab at MIT, Krisztina Holly helped develop the world's first computer-generated, full-color reflection hologram. In 1991, while a graduate studient in mechanical engineering with a focus on product development, Krisztina Holly co-wrote a business plan that won MIT's Entrepreneurial Competition. She also co-designed and built a head-eye vision robot and developed a robotic weld-seam-tracking program for the space shuttle main engine. 

In 1992, Krisztina Holly, Michael Cassidy, and John Barrus co-invented and patented "The Stylus" The Stylus enabled consumers to order items by scanning a bar code with a stylus that fed the information to the seller via a touch-tone phone.

Krisztina Holly, Cassidy Brookins, and Chris Brookins co-invented Visual Voice, the first Windows-based computer telephony development tool. Visual Voice enabled software developer to create complex telephony systems, with call answering, voice-mail, call placing, and fax transmission. 

Continue with >>> History of the Telephone

Artwork by Mary Bellis
Photo SBA Online Women's Business Center

Subscribe to the Newsletter


©2017 About.com. All rights reserved.