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Katharine Burr Blodgett was the first woman who was granted a Ph.D from the prestigious university of Cambridge. She was born on 10 January, 1898 in Schenectady in New York. After completing her master degree in 1920, she was hired as a research scientist by the general electric, where her father was a patent attorney. She was also among the first woman to be hired as a scientist in general electric laboratory in New York.
During her work as a scientist, she along with Langmuir worked on mono molecular coatings which were designed for covering water, metal and glass surfaces. In 1938, he used those coatings on the glass surface and made the glass 99% non-reflective. Therefore, she was the first to invent a non-reflective glass in the world. These non-reflective coatings are known by the name Langmuir–Blodgett film. She also invented a method of measuring molecular coatings which were known as colour gauge. She passed away on 12 October, 1979.