The pioneering English hematologist Lucy Wills, whose research into women’s health during pregnancy changed the lives of millions around the globe, was celebrated in Friday’s Google Doodle.
Wills conducted research into prenatal macrocytic anaemia in India in the 1920s and 1930s, where pregnant textile workers in Bombay were suffering from the condition.
She hypothesized that the condition, which causes red blood cells to become enlarged and can be life-threatening, was related to the diets of those affected.
After feeding monkeys with the condition the popular yeasty breakfast spread Marmite, she observed that their symptoms alleviated. Later studies based on her research found that it is a lack of folic acid, which Marmite contains, that causes the condition.
Her work immediately benefited pregnant textile workers in Bombay, where she was based, and folic acid is now recommended for pregnant women everywhere.
“Remembered for her wry sense of humor, Wills enjoyed mountain climbing, cross-country skiing, and rode a bicycle to work rather than driving in a car,” Google wrote. “She devoted much of her life to traveling the world and working to ensure the health of mothers-to-be.”
She died in 1964; Friday marked 131 years since her birth.
More Must-Reads from TIME
- Why Trump’s Message Worked on Latino Men
- What Trump’s Win Could Mean for Housing
- The 100 Must-Read Books of 2024
- Sleep Doctors Share the 1 Tip That’s Changed Their Lives
- Column: Let’s Bring Back Romance
- What It’s Like to Have Long COVID As a Kid
- FX’s Say Nothing Is the Must-Watch Political Thriller of 2024
- Merle Bombardieri Is Helping People Make the Baby Decision
Write to Billy Perrigo at billy.perrigo@time.com