Dr. Royal Raymond Rife Documentary
What if someone invented an electronic device that would destroy pathogens, bacteria, and even viruses with no toxic side effects? What if that same device could wipe out cancer by altering cancer's cellular environment or by killing cancer viruses with an electronic or ultrasonic beam? That was accomplished years ago in the 1930s. The researcher who invented and perfected this device had an odd name, Royal Raymond Rife. But his associates and colleagues knew him as Roy Rife.
https://www.canceractive.com/cancer-active-page-link.aspx?n=1115
http://www.collective-evolution.com/2014/01/06/the-cancer-curing-device-that-big-pharma-destroyed-the-royal-rife-device/
https://www.theguardian.com/science/2003/apr/03/research.science1
https://thetruthaboutcancer.com/royal-rife-bob-beck/