There’s No Truth in Agapito Flores Being the Inventor of the Fluorescent Lamp

Sorry for busting that Filipino pride.

I have lived my entire life thinking that Agapito Flores, a fellow from the Philippines, is the first to invent the fluorescent lamp. As my elementary teachers had taught me, the term ‘fluorescent’ came from its inventor’s last name ‘Flores’, only inserted with a letter ‘u’. It was a fact without dispute in all science textbooks in the Philippines because there was an easily believable correlation.

But it appears that the coining of the term is merely a coincidence. Filipino authors, or whoever made the association, went too far with the Filipino pride – Agapito Flores is not the first person to create the fluorescent lamp.

Agapito Flores was born in Guiguinto in the province of Bulacan, Philippines on September 28, 1897. Early in his life, he has become an apprentice in a machine shop. He trained at a vocational school in Tondo, Manila to become an electrician.

After tinkering with glass tubes, Flores was able to make them give off white light. This invention was said to have reached then President Manuel L. Quezon, who was amazed by Flores’ ingenuity.

Reports claim that Agapito Flores had received a French patent for the fluorescent bulb through the General Electric Company. It was believed that the company bought the patent rights and manufactured the bulb under their name.

If by any case anything of that really happened, Agapito Flores does not deserve the credit of inventing the fluorescent lamp. The history of the development of such lamps says that there are other inventors who were far ahead of the Filipino electrician.

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French physicist Alexandre E. Becquerel was the first to theorize about the building of fluorescent tubes in 1857. He investigated the phenomena of fluorescence and phosphorescence and experimented with coating electric discharge tubes with luminescent materials, a process that was further developed in later fluorescent lamps.

American inventor Thomas Edison, who made the first electric light bulb, was considered one of the first inventors to apply for a patent (U.S. Patent 865,367) of the earliest version of the fluorescent lamp on May 19, 1896, later published in September 10, 1907. He used x-rays to excite the phosphor; but unfortunately, his model was never sold.

Peter Cooper Hewitt. Source: Smithsonian Institution
Peter Cooper Hewitt. Source: Smithsonian Institution

It was American Peter Cooper Hewitt (1861-1921) who filed the successful patent (U.S. patent 682,692)  in September 17, 1901 for the first mercury vapor lamp, the descendant of the modern fluorescent lights.

According to the Smithsonian Institute, Hewitt’s fluorescent lamp was built on the work of German physicist Julius Plucker and glassblower Heinrich Geissler, who were able to pass an electric current through a glass tube containing tiny amounts of a gas and made light.

Hewitt started working on that principle with mercury-filled tubes in the late 1890s. He was able to produce a bluish-green light, with which he thought wouldn’t be an ideal color wanted by the people. So he collaborated with George Westinghouse, under the Cooper Hewitt Electric Company, to produce the first commercial mercury lamps with a different color. Hewitt was later credited as the inventor of the first enclosed arc-type lamp using metal vapor.

By the time Hewitt had made the first prototype of the modern fluorescent lights in 1901, Flores was only four years old.

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Unless Agapito the kid was able to make his own fluorescent lamp at that age, then sure, he gets the credit.

But based on the data given, Flores indeed wasn’t the first person to invent the fluorescent lamp. Furthermore, there are no scientific bulletins and documents claiming that Flores developed such lamp.

Dr. Benito Vergara, a national scientist who worked at the Philippine Science Heritage Center, was quoted by saying, “As far as I could learn, a certain Flores presented the idea of fluorescent light to Manuel Quezon when he became president. At that time, General Electric Co. had already presented the fluorescent light to the public.”

There’s one thing we should do about this: revise our science textbooks in the Philippines and stop the misinformation.

Sources: Inventors (1) (2)

Engr. Amy Aguirre
Mechanical Engineer, fashion model & GineersNow TV host. Speaks Spanish, English and Portuguese fluently. Based in Melbourne and Manila. Follow me on Linkedin

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  1. We all know That Thomas is so famous of stealing somebody’s ideas for his inventions right? Like the motion picture oh wait. He was even one of the suspect of real creator’s vanishing..

There’s No Truth in Agapito Flores Being the Inventor of the Fluorescent Lamp

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