To celebrate Robert Moog’s 78th Birthday, Google published on May 23, 2012 an interactive doodle of the electronic analog Moog Synthesizer.
For Alan Turing’s Centennial, Google published one month later (June 23, 2012) an interactive doodle showing a Turing Machine. The doodle was designed by Jered Wierzbicki and Corrie Scalisi, Software Engineers, and by Doodler Sophia Foster-Dimino. The code for this doodle was open sourced and is available at Google Code.
A video about the Art & Technology behind Google Doodles is available at Youtube.