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Later, he was married to … Percy LeBaron Spencer, an American electrical engineer and inventor, was born July 9, 1894. He also subsequently taught himself trigonometry, calculus, chemistry, physics, and metallurgy, among other subjects. He also held an honorary degree from the Uni versity of Maine. 2,408,235, Born Percy Lebaron Spencer (July 19, 1894 – September 8, 1970) was an American physicist and inventor. For his invention, Spencer received no royalties, but he was paid a one-time $2.00 gratuity from Raytheon, the same token payment the company made to all inventors on its payroll at that time for company patents.[3]. Later, he was married to Lillian Ottenheimer on November 18, 1960. https://en.wikipedia.org/wiki/Percy_Spencer. In 1941, magnetrons were being produced at a rate of 17 per day. The result was the egg exploding in the face of one of his co-workers, who was looking in the kettle to observe. These improvements and others allowed for the faster production of 2,600 magnetrons per day. It also saw Spencer’s staff rise from 15 employees to 5,000 over the course of the next few years. US Patent No. Percy Spencer's father died when he was an infant, and his mother soon abandoned the family. United States Navy, Leadership Intern Program (High School & College Students), Apply for the Collegiate Inventors Competition. Spencer developed a system of mass production for the magnetron, increasing its production output to 2600 per day. He became known as the inventor of the microwave oven. [1][2], By 1939 Spencer became one of the world’s leading experts in radar tube design. Other achievements and awards, besides the Distinguished Public Service Award, included a membership of the Institute of Radio Engineers, Fellowship in the American Academy of Arts and Sciences, and an honorary Doctor of Science from the University of Massachusetts, despite having no formal education. The magnetron emitted microwaves into the metal box blocking any escape, allowing for controlled and safe experimentation. Where is Percy Spencer from? The result was a magnetron that replaced precision copper bars with lamina and replaced soldered internal wires with a simple solid ring. At that time, magnetrons were used to generate the microwave radio signals that are the core mechanism of radar, and they were being made at the rate of 17 per day at Raytheon. Physicist, Inventor, Electrical Engineer, Join Today as an Atomic History Patron Member. Percy Spencer was an American physicist and inventor. In desparate need of radar to detect German planes and submarines, the British turned to the United States to produce the cavity magnetron, radar's primary component. Brother of Alfred Spencer. Spencer then created the first true microwave oven by attaching a high-density electromagnetic field generator to an enclosed metal box. At the later age, he discovered that a local paper millwas soon to begin using electricity, a concept little known in his rural home region, and … During World War II, Raytheon was contracted by the British to mass produce their newest invention: combat radar equipment. Howland, Maine, USA. During this time he taught himself a number of scientific subjects, including calculus, chemistry, metallurgy, physics, and trigonometry. Please enable JavaScript in your browser's settings to use this part of Geni. Son of Jasper G Spencer and Myrtle B. Spencer Although he never graduated from grammar school, he became Senior Vice President and a member of the Board of Directors at Raytheon, receiving 150 patents during his career. For this work he received the Naval Ordnance Award. Largely due to his reputation and expertise, Spencer managed to help Raytheon win a government contract to develop and produce combat radar equipment for M.I.T.’s Radiation Laboratory. Copyright © 2019 by the Atomic Heritage Foundation. The first microwave oven was called the Radarange, and today, there are over 200 million in use throughout the world. Dr. Spencer was the fifth em ploye to join the then infant Raytheon Company in 1925. https://www.geni.com/people/Percy-Spencer/354870889890006653 Later, he was married to Lillian Ottenheimer on November 18, 1960. Howland, Maine. NEWTON, Mass., Sept. 7— Dr. Percy L. Spencer, retired senior vice president of the Raytheon Company in Lexing ton and a well‐known inventor, died today at Newton‐Wellesley Hospital. Percy Lebaron Spencer (19 July 1894 – 8 September 1970) was an American physicist and inventor. As Vannevar Bush once said, Spencer “earned the respect of every physicist in the country, not only for his ingenuity, but for what he has learned about physics by absorbing it through his skin.”. While he was with the navy, he made himself an expert on radio technology: "I just got hold of a lot of textbooks and taught myself while I was standing watch at night." He became known as the inventor of the microwave oven. He was raised by an impoverished aunt and uncle, and had little formal schooling. He counted Vannevar Bush, Omar Bradley, William Redington Hewlett and David Packard as friends. He had become interested in wireless communications after learning about the wireless operators aboard the Titanic when it sank. See the article in its original context from. He developed the special tubes that made possible the proximity fuses in troduced in World War II. All rights reserved. An article in the “most un forgettable character” series in the Reader's Digest in August, 1958, described Dr. Spencer as “an orphan who never gradu ated from grammar school, he has demonstrated that nothing is beyond the grasp of a man who wants to know what is going on, and who feels a sense of responsibility for doing something about it.”. Dr. Spencer, the fifth employee in Raytheon, was a director emeritus of the company. For his work during the war, Spencer received the Distinguished Public Service Award from the U.S. Navy, its highest civilian honor. At the later age, he discovered that a local paper mill was soon to begin using electricity, a concept little known in his rural home region, and he accordingly began learning as much as possible about the phenomenon. Percy Spencer, Inventor, Dead; Retired Raytheon Executive, 76. From the ages of twelve to sixteen, he worked from sunrise to sunset at a spool mill. Percy Lebaron Spencer (July 19, 1894 – September 8, 1970) was an American physicist and inventor. July 19, 1894 info@nuclearmuseum.org          Contact Us. Spencer is best known as the inventor of the microwave oven. At that time, magnetrons were used to generate the microwave radio signals that are the core mechanism of radar, and they were being made at the rate of 17 per day at Raytheon. Percy Spencer was an American physicist and inventor. suggested that Spencer's lack of formal education may have been an asset. How old was Percy Spencer when died? The magnetron emitted microwaves into the metal box blocking any escape, allowing for controlled and safe experimentation. Raytheon filed a patent on October 8, 1945, for a microwave cooking oven, eventually named the Radarange. Percy Lebaron Spencer (July 19, 1894 – September 8, 1970) was an American physicist and inventor. Born July 19, 1894 - Died September 8, 1970 Military Service: United States Navy Percy Spencer, while working for the Raytheon Company, discovered a more efficient way to manufacture magnetrons. The melting of the chocolate bar was during WW II, he died in 1970, so no relation between these two events. 1930 - Newton, Middlesex, Massachusetts, USA, John L Spencer, James H Spencer, George R Spencer, July 19 1894 - Howland, Howland, Penobscot, Maine, United States, Sep 8 1970 - Newton, Middlesex, Massachusetts, United States, Jasper G Spencer, Myrtle B Spencer (born Keene), Lillian Spencer (born Ottenheimer), Louise Spencer (born Larsen), John Spencer, George R Spencer, James Spencer, 1940 - 85 Adena Road, Newton, Middlesex, Massachusetts, USA, John Spencer, James Spencer, George Spencer, July 9 1894 - Penobscot County, United States, Sep 9 1970 - Waban, Middlesex, Massachusetts, USA, John Lebaron Spencer, James H. Spencer, George Spencer, Waban, Middlesex, Massachusetts, United States. This was of huge importance to the Allies of World War II and became the military’s second highest priority project during World War II, behind the Manhattan Project. From the ages of twelve to sixteen, he worked from sunrise to sunset at a spool mill. Spencer was born in 1894 in Howland, Maine. Percy doesn't know what can't be done." He decided to experiment using food, including popcorn kernels, which became the world’s first microwaved popcorn. His uncle then died when Spencer was just seven years old. Dr. Percy L. Spencer, 76, of 31 Agawam rd., Waban, inventor and retired senior vice president of Raytheon Company, died yesterday in Newton-Wellesley Hospital. He then placed various food items in the box, while observing effects and monitoring temperatures. One colleague with a degree from M.I.T. 76. Therefore, when he applied to work at the mill, he was one of three people hired to install electricity in the plant, despite never having received any formal training in electrical engineering or even finishing grammar school. Eighteen months later, Spencer's father died, and his mother soon left him in the care of his aunt and uncle. Spencer later remembered, “I just got hold of a lot of textbooks and taught myself while I was standing watch at night.”. With radar becoming increasingly commonplace, the head of Electronics at the U.S. Navy's Bureau of Ships, Commodore Jennings Dow, asserted, "Raytheon radar had a marked effect on every major sea engagement of the war." Because of his accomplishments, Spencer was awarded the Distinguished Service Medal by the U.S. Navy and has a building named after him at Raytheon.

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