Editing Bill Atkinson (section)

{{short description|American computer engineer, computer programmer and photographer}}
{{other people}}
{{Use mdy dates|date=March 2019}}
{{Infobox person
| honorific_prefix   = 
| name               = Bill Atkinson
| honorific_suffix   = 
| image              = Bill Atkinson at 25 years of HyperCard event.jpeg
| alt                = 
| caption            = 
| native_name        = 
| height             = 
| birth_date         = {{Birth date and age|1951|3|17}}
| birth_place        = 
| nationality        = American
| education          = [[University of California, San Diego]]<br />[[University of Washington]]
| occupation         = Engineer, inventor, [[Nature photography|nature photographer]]
| known_for          = Part of the [[Apple Lisa]] and [[Macintosh 128K]] development teams; conceived, designed, implemented [[HyperCard]], the first popular [[hypermedia]] system; his 2004 book, ''Within the Stone''
| title              = 
| website            = {{URL|billatkinson.com}}
}}

'''William D. Atkinson'''<ref name="regionspatent" /> (born March 17, 1951) is an American [[computer engineer]], [[computer programmer]] and photographer.  Atkinson worked at [[Apple Inc.|Apple Computer]] from 1978 to 1990.
Some of Atkinson's noteworthy contributions to the field of computing include Macintosh [[QuickDraw]] and Lisa LisaGraf
(Atkinson independently discovered the [[midpoint circle algorithm]] for fast drawing of circles by using the sum of consecutive odd numbers),<ref>{{cite news |url=http://www.folklore.org/StoryView.py?story=Round_Rects_Are_Everywhere.txt |title=Steve Jobs |first=Walter |last=Isaacson |publisher=Simon & Schuster |year=2011 |access-date=22 December 2011}}</ref> [[Marching ants]], the [[double-click]], [[Menu bar]], the [[Lasso tool|selection lasso]], [[MacPaint]] ([[MacPaint#FatBits|FatBits]]), [[HyperCard]],  [[Atkinson dithering]], and the app PhotoCard.