Maya Angelou is the first Black woman to appear on a U.S. quarter
The U.S. Mint has started rolling out quarters
featuring the late African-American author and activist
The coins are part of the American Women Quarters Program
which celebrates prominent women in U.S. history
Angelou rose to prominence after the publication of her autobiography
'I Know Why the Caged Bird Sings'
The prolific writer was known for her lyrical prose and regal speaking voice
In 2013, she received a Presidential Medal of Freedom from Barack Obama
