"How many man-years did it take to write QuickDraw?", the Byte magazine reporter asked Steve. Steve turned to look at Bill. "Bill, how long did you spend writi

"How many man-years did it take to write QuickDraw?", the Byte magazine reporter asked Steve. Steve turned to look at Bill. "Bill, how long did you spend writing Quickdraw?" "Well, I worked on it on and off for four years", Bill replied. Steve paused for a beat and then turned back to the Byte reporter. "Twenty-four man-years. We invested twenty-four man-years in QuickDraw." Obviously, Steve figured that one Atkinson year equaled six man years, which may have been a modest estimate. http://folklore.org/StoryView.py?story=Mythical_Man_Year.txt http://folklore.org/StoryView.py?story=Mythical_Man_Year.txt