themultiverse.blogspot.com/2008/07/whats-with-23.html themultiverse.blogspot.com/2010/07/beyond-23-other-numbers.html Posted by JF at 5/25/2010 02:20:00 AM Sunday, April 25, 2010 Mark Twain & a Comet Mark Twain felt a connection with Halley's Comet . http://ebooks.adelaide.edu.au/t/twain/mark/paine/ http://northnodeastrology.blogspot.com/2010/07/mark-twains-astrological-chart-haleys.html Posted by JF at 4/25/2010 01:04:00 AM Thursday, April 15, 2010 Leonardo da Vinci (1452) Science_and_inventions_of Leonardo_da_Vinci http://www.bbc.co.uk/science/leonardo/ http://www.sacred-texts.com/aor/dv/index.htm http://www.studio-international.co.uk/reports/da_vinci.asp http://leonardodavinci.stanford.edu/projects/anatomy/index.html http://www.odranoel.de/index.php?lang=eng&menu=start&area=0&page=0