Olga Ladyzhenskaya Google Logo Partial Differential Qquations

Today on Google's home page is a special Doodle, Google logo, to remember the life of the Russian mathematician Olga Ladyzhenskaya. She was most well known for her work on partial differential equations and fluid dynamics. The Doodle was posted on her 97th birthday - she passed at the age of 81 on January 12, 2004.