Preparedness Notes for Wednesday — February 22, 2023
February 22, 1857 was the birthday of Heinrich Hertz, a German physicist who was the first to broadcast and receive radio waves and helped to invent radar technology. On this day in 1943, Sophie Scholl was executed by beheading for organizing the White Rose group–a student resistance to the Hitler regime. She had been convicted of high treason, after having been found distributing anti-war leaflets at the University of Munich (LMU) with her brother, Hans. She was 21 years old. On this day in 1732, George Washington was born in Westmoreland County, Virginia, the second son from the second marriage …