Katherine Blodgett

Color Gauge

  • First female scientist to be hired by the General Electric Laboratory and the first woman to earn a Ph.D. from Cambridge University.
  • She created the method to make invisible glass and a way to measure these tiny molecules.
  • Her system was known as the "color gauge".
  • She got her Master's Degree by the time she was 19!
  • She received patent #2,220,660 for the "Film Structure and Method of Preparation".