Google is paying homage to Swiss math genius Leonhard Euhler with an interactive Google Doodle on Monday to celebrate his 306th birthday.
Euhler, born in 1707, is deemed one of the greatest mathematicians of all time. He published close to 900 books - despite going blind in his 50s - and made important discoveries in astronomy, optics, fluid dynamics and mechanics.
The renowned mathematician got into Switzerland's University of Basel at 13 and earned his master's degree by the time he was 16. He was also the first person to use Venn diagrams to show the relationship between two sets or numbers.
Google has a soft spot for tech and science geniuses. In December, the world's first computer programmer Ada Lovelace received her own Doodle. "Hitchhiker's Guide" author Douglas Adams was immortalized with a Doodle in March.