Cryptologic Dates in History Calendar

https://cryptologicfoundation.org/what-we-do/educate/bytes/this_day_in_history_calendar.html/event/2020/08/11/ [login to see] /1942-hedy-markey-lamarr-receives-patent/77115?fbclid=IwAR1me4Y1K6iQrfEycH4F7tdGiwmJKyN4VEVljnD-o_HOWhW0F0AouBVjcys
Frequency Hopping, Frequency Shifting, What Made Our Torpedoes Better in WWII and Makes Snooping on Your Cell Phone a Pain in the Ass for Modern Spooks? Many Thanks to Hedy Lamar, an Austrian Defector from Nazi Germany, Actress, Singer and Surprise, Surprise, Technician and Engineer. Patent Issued Aug 11 1942. Sprechen Ze Deutch?