Mary Engle Pennington

American bacteriological chemist and refrigeration engineer (1872-1952).

Born October 8th, 1872 in Nashville.

Died December 27th, 1952 at 80 years old in New York City.

Occupations
bacteriologist, chemist, engineer, inventor

A word is dead when it is said, some say. I say it just begins to live that day. Emily Dickinson