Microwave oven
Japan's Sharp Corporation began manufacturing microwave ovens in 1961. Between 1964 and 1966, Sharp introduced the first microwave oven with a turntable, a feature that promotes convenient even heating of food. In 1965, Raytheon acquired Amana. In 1967, they introduced the first popular home model, the countertop Radarange, at a price of US$495 ($ in dollars).
Thelma Pressman
Pressman studied microwave technology at California Community Colleges in 1967. In 1969 she founded the first microwave cooking school in the United States in Encino, California. The Microwave Cooking Center became an industry test kitchen in which products were evaluated and cookware and recipes were developed for the nascent microwave industry.