Early History - sagemath/sage GitHub Wiki
Sage Strategy
This is of historical interest:
http://wstein.org/sage_strategy.jpg
This was from about 10 years ago -- late 2004 -- it's my planning
sheet from when I was first getting serious about "Sage" (then called
Manin).
--
William Stein
Professor of Mathematics
University of Washington
http://wstein.org

Original Sage Logo

Sage Talk at Sun Microsystems 2009
sage-talk-sun.pdf
Sage Talk at FoCM 2011
focm11.pdf
Sage Talk at Wing Lectures 2017
slides.pdf