Inventor and physicist who held numerous U.S. patents. She invented low-reflectance invisible glass while working for General Electric.
She received an academic scholarship from Bryn Mawr College from which she graduated in 1917.
She was the first woman awarded a Ph.D. in Physics from the University of Cambridge.
She lived in a Boston marriage with Gertrude Brown.
She and Thomas Edison were important inventors of the 20th century.