Raytheon was one of few companies that had the expertise to figure it out, thanks to WWII research with the MIT Radiation Labs, and fortunately owned Amana, which knew a lot about how to make consumer appliances. It took both to make the microwave oven a reality and even then, a decade of cost reductions to make it a true consumer item.
It lead to my discovery of William F. Buckley when I was in middle school.
Best TV ever!