Mario Molina is on Google Doodle.

Google is celebrating  his Birthday.

Mario Molina was a Mexican-American chemist who won the Nobel Prize in Chemistry in 1995.

Mario Molina is famous for his work on the effects of CFCs (chlorofluorocarbons) on the Earth's ozone layer. 

He was part of the team that discovered the depletion of the ozone layer and identified CFCs as the cause.

Molina passed away on October 7, 2020.