Day in Engineering History Archive - September 23

September 23

1846: German astronomer Johann Galle discovered Neptune after only an hour of searching. 1861: Robert Bosch, the German engineer and industrialist who was invented the spark plug and magneto, was born. 1869: Typhoid Mary (Mary Mallon), famous for spreading typhoid fever in NY, was born. 1877: Urbain-Jean-Joseph Le Verrier, who calculated the likely position of Neptune so closely that it took Johan Galle only an hour of search to find, died. 1879: Richard Rhodes invented the audiophone, the first hearing aid. 1913: Roland Garros made the first airplane flight across the Mediterranean Sea. 1930: Flashbulbs were patented by Johannes Ostermeier. 1938: A time capsule, to be opened in 6939, was buried at World's Fair in New York City. 1960: Georges Claude, inventor of the neon light, died. 1962: "The Jetsons" premiered on ABC-TV, being the first program on the network to be carried in color. 1970: IBM announced the System 370 computer. 1981: President Reagan announce plans for Radio Marti to broadcast to the people of Cuba. 2002: Mozilla Firefox browser was first released as Phoenix.

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Note: These historical tidbits have been collected from various sources, mostly on the Internet. As detailed in this article, there is a lot of wrong information that is repeated hundreds of times because most websites do not validate with authoritative sources. On RF Cafe, events with hyperlinks have been verified. Many years ago, I began commemorating the birthdays of notable people and events with special RF Cafe logos. Where available, I like to use images from postage stamps from the country where the person or event occurred. Images used in the logos are often from open source websites like Wikipedia, and are specifically credited with a hyperlink back to the source where possible. Fair Use laws permit small samples of copyrighted content.