Meet
Newton, Leibniz,
Cauchy and Lagrange. (Here they are 2 days old).
Click for large picture. The last names were chosen from
suggestions by this summer school class.
Added August 25, 2012. Newton now (now a 6 weeks old hen):
Added October 1, 2012. Newton in October):
Added November 29, 2012. Newton (or is it not rather Amadeus?) in November):
Added December 27, 2012. Newton in December assisting on some Mathematica issues):