Anna Richards Brewster
– August 13, 1952
Birth place: Germantown, Philadelphia, Pennsylvania, USA
Born Mary Ann Richards (Wikipedia)
Daughter of (born Anna Matlack)
In collaboration as writer/translator and illustrator they are known to be credited as "Anna M. Richards" and "Anna M. Richards, Jr."; also as "A. M. Richards" and "Anna Richards".
Brewster, too, is known to be credited as "A. M. Richards" (as illustrator of Bill Nye's Comic History of England, 1906, non-genre).