|Birth Day||May 24, 1878|
|Age||141 YEARS OLD|
|Died On||Jan 2, 1972 (age 93)|
She got her Ph.D in industrial psychology from Brown University in 1915, becoming one of the first female Engineers to do so.
The books Cheaper by the Dozen and Belles on Their Toes were written by her children and detail their family life and how they applied their study to their family's daily life.