Reginald Denny: A Short Biography

Electronics Pioneers & History
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Reginald Denny (AMA Museum) - RF Cafe Website

Reginald Denny (November 20, 1891-June 16, 1967) was a man of many talents and interests. He was born on November 20, 1891, in England, and grew up to become an actor, aviator, and airplane designer. Denny began his career in show business working with a stage group and later toured parts of the world in his early 20s.

During World War I, Denny served as an aviator with the Royal Air Force. He resumed his acting career when the war ended, but he also kept up with his airplane passion. He moved to Hollywood to work in the film industry and opened a model store called "Reginald Denny's Hobby Shop."

In the 1930s, Denny's model kit, the Denny Jr., became very popular. His company, Reginald Denny Industries, also produced Dennymite engines that were frequently used by modelers, as well as Jimmie Allen kits and other kits for children.

During World War II, Denny's company made RC target drones for the military, called Radioplanes. Norma Jeane Mortenson, who later became famous as Marilyn Monroe, worked on building these planes in the shop and was "discovered" there.

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While working on an update to my RF Cafe Espresso Engineering Workbook project to add a couple calculators about FM sidebands (available soon). The good news is that AI provided excellent VBA code to generate a set of Bessel function plots. The bad news is when I asked for a table showing at which modulation indices sidebands 0 (carrier) through 5 vanish, none of the agents got it right. Some were really bad. The AI agents typically explain their reason and method correctly, then go on to produces bad results. Even after pointing out errors, subsequent results are still wrong. I do a lot of AI work and see this often, even with subscribing to professional versions. I ultimately generated the table myself. There is going to be a lot of inaccurate information out there based on unverified AI queries, so beware.