Neil Konzen was one of Microsoft

Microsoft

Microsoft Corporation is an American public multinational corporation headquartered in Redmond, Washington, USA that develops, manufactures, licenses, and supports a wide range of products and services predominantly related to computing through its various product divisions...

's earliest employees. He was head of Microsoft's Macintosh programs projects, including MultiPlan

MultiPlan

Multiplan was an early spreadsheet program developed by Microsoft. Known initially by the code name "EP" , it was introduced in 1982 as a competitor for VisiCalc....

 and Word

Microsoft Word

Microsoft Word is a word processor designed by Microsoft. It was first released in 1983 under the name Multi-Tool Word for Xenix systems. Subsequent versions were later written for several other platforms including IBM PCs running DOS , the Apple Macintosh , the AT&T Unix PC , Atari ST , SCO UNIX,...

 for the Mac in 1984. He was later tasked with leading the team that created the second version of Windows

Microsoft Windows

Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...

 at Microsoft, after the failure of the original version.

Konzen is also known for creating, with Bill Gates

Bill Gates

William Henry "Bill" Gates III is an American business magnate, investor, philanthropist, and author. Gates is the former CEO and current chairman of Microsoft, the software company he founded with Paul Allen...

, the infamous DONKEY.BAS

DONKEY.BAS

Donkey, often known by its file name DONKEY.BAS, was a computer game written in 1981 and included with early versions of the PC-DOS operating system distributed with the original IBM PC. It is a driving game in which the player must avoid hitting donkeys...

 game for the IBM PC

IBM PC

The IBM Personal Computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform. It is IBM model number 5150, and was introduced on August 12, 1981...

.