Katharine Blodgett was an American physicist and inventor, best known for her work in the field of thin films. Born in 1898, she became the first woman to earn a Ph.D. in physics from Columbia University in 1926. Blodgett's most notable achievement was the development of non-reflective glass, which has applications in various industries, including optics and photography. Throughout her career, Blodgett worked at General Electric, where she conducted research on surface chemistry and thin film technology. Her innovations have had a lasting impact on the fields of optics and materials science, making her a significant figure in the history of science and engineering.