What Happened on September 10th

Charles Simonyi, whose work as chief architect of Microsoft Word is born in Budapest, Hungary. After moving to the United States for study at the University of California, Berkeley, Simonyi took a job at the Xerox PARC in Palo Alto, developing the first WYSIWYG (What You See Is What You Get) word-processing editor. Later, at Microsoft, he integrated such theories into Word and Multiplan, the predecessor of the Microsoft Excel spreadsheet.