Eric Michelman

Modern scroll wheel on 5-button mouse. (2008)

Eric Michelman, a graduate from MIT, is credited with inventing the now commonplace computer input device known as the scroll wheel. Scroll wheels are most often located between the left and right-click buttons on modern computer mice.

History

In 1993, Michelman began work on his project to ease navigation within Excel. His interest in eased navigability stemmed from real-time observation of users entering data in spreadsheets.

“…as I was watching many Excel users do their work, I noticed the difficulty they had moving around large spreadsheets. Finding and jumping to different sections was often difficult. I had the idea that perhaps a richer input device would help.” [1]

Michelman initially looked to add a 'zoom-lever' for the left hand to control while navigating the Microsoft GUI. After experimenting with a joystick assigned to panning (scrolling) as well as zooming, Michelman approached Microsoft's engineers with his idea. In his position as Program Management Lead for the Excel project, he persuaded the hardware engineers to develop added functionality to the current hardware to allow richer input and then evangelized the new functionality to the other Office applications. A debate raged over whether all the Office applications should have the same scrolling or zooming default, with Michelman subsequently conceding to the idea that having them all, including Excel, scroll by default would possess the greatest overall utility. Michelman was charged with organizing the software support for this new function. Being the Program Management Lead for the Excel project, he was well positioned to achieve this, and did.

Advances in Technology

There have been many advances in computing mice since the dawn of the scroll wheel. 1999 brought the advent of a marketable LED technology optical mouse from Agilent.[2] Close following in the same year, Microsoft released its version of an optical mouse, the Intellimouse Explorer.

Michelman's brainchild has since been elaborated on by the likes of Logitech, Apple, and other major computer peripheral manufacturers. In 2007 Logitech combined all of these technologies and more when the company released a 7-button, 2-wheel, fully customizable mousing device aptly named "MX Revolution." This technology is intended to address a user's need when

"The typical computer user has six applications open and switches windows every 50 seconds. In a work day, we rack up 26 feet on the mouse's scroll wheel." [3]

Other Contributors

A jointly developed mouse by Japanese (NTT) and Swiss (ETH) companies may mark the first appearance of a wheel-function on a mouse back in 1985. They developed what was a thumb wheel for their companies, the (original) "Mighty Mouse." [4] This mouse did not catch any traction in the world computing market.

Additional work by Michelman

Michelman has an SB degree from MIT, an MS in Computer Science from UC Berkeley, and an MBA from MIT. Before working at Microsoft, he worked at Apple on the Lisa project and co-founded Analytica with Adam Bosworth, hiring Brad Silverberg as their first employee. Michelman has also been prolific in participating in the production of patents pertaining to different ergonomic and navigability properties of computer input implements. An abbreviated listing is found below.

Patents

Works

References

  1. ↑ "History of the Scroll Wheel". Retrieved 2008-12-08.
  2. ↑ Krames; et al. "Photonic crystal light emitting device with multiple lattices (US Patent Office)".
  3. ↑ Industrial Engineer 39.1 (Jan 2007): 60(1). "Logitech Inc. introduces Logitech MX Revolution mouse".
  4. ↑ "Input Devices: An Illustrated Tour" (PDF). Bill Buxton.
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