Consuelo MilnerConsuelo "Connie" Stokes Milner was an American engineer, cryptographer, and educator.Early lifeMilner originally worked in dress design before going into engineering.She was a member of Phi Delta Kappa, education honor society.Scientific careerMilner worked as an electrical engineer at the Brooklyn Navy Yard at the GS-12 level. She received this promotion after 10 years of service. Milner was the first woman to hold that high of a position ever. Her work was considered to be classified. Milner's work also included Cryptography for the Naval Applied Science Lab.PatentMilner held a US patent for thermally stabilized crystal units. This was a method for producing electricity.Later careerMilner later became a mathematics teacher.