Oven gas stove included the AGA cooker invented in 1922 by Gustaf Dalén. The first electric ovens were invented in the very late 19th century, however, like many electrical inventions destined for commercial use, mass ownership of electrical ovens could not be a reality until better and more efficient use of electricity was available. More recently, ovens have become slightly more high-tech in terms of cooking strategy. The microwave as a cooking tool was discovered by Percy Spencer in 1946, and with the help from engineers, the microwave oven was patented. The microwave oven uses microwave radiation to excite the molecules
Percy F. Frankland 1946 at Loch Awe in Argyllshire, Scotland. The University of Manchester Library holds the main collection of Frankland's papers. Archival material relating to him is also held by Archive Services, University of Dundee. Percy F. Frankland Percy Faraday Frankland CBE FRS (3 October 1858 – 28 October 1946) was a British chemist. He was the son of chemist Edward Frankland and Michael Faraday was his godfather. Percy Frankland was Demonstrator and Lecturer in Chemistry at the Royal School of Mines (1880–1888), Professor of Chemistry at University College, Dundee (now University of Dundee) (1888–1894) and Professor of Chemistry at Mason Science