By Rayna Reid Rayford ·Updated March 14, 2024
Every year, Pi Day is celebrated on March 14. It’s the celebration of the mathematical sign pi, and the date is symbolic because (3.14) signifies the first three digits of pi.
This year ESSENCE is celebrating by honoring Martha Euphemia Lofton Hayes, the first Black woman to earn a PhD in Mathematics.
Haynes was born on September 11, 1890, in Washington, D.C., just 25years after the
