Why Google change doodle and who was Doctor Maria Telkes?

Today Google has remembered Hungarian-American biophysicist, scientist and inventor Dr. Maria Telkes through making the Doodle.

This day on 12 December 1900 Dr. Maria Telkes was born in the Hungarian city of Budapest.

Dr. Maria Telkes worked on solar energy technologies.

In United States, Maria Telkes studied physical chemistry at the University of Budapest in the year 1920 and completed her PhD in 1924. 

Dr. Maria Telkes became an American citizen in 1937.

Dr. Maria Telkes continued her career as a member of the Solar Energy Committee at the Massachusetts Institute of Technology (MIT). 

Which was associated with work to keep the house warm during the winter. 

On December 12, in 1952, Maria Telkes was awarded ‘The Society of Women Engineers Achievement Award’.