18 de junho de 2025

Hedy Lamarr: Hollywood Star and Inventor Behind Modern Cell Phone Technology

Discover how Hedy Lamarr, a glamorous Hollywood actress, helped invent the technology that made modern cell phones and Wi-Fi possible.

hedy lamarr

Born  Hedwig Eva Maria Keisler in  Vienna, Austria , to Jewish parents,  Hedy Lamarr  studied  ballet  and piano before she was 10. As a teenager, she was already acting in German films. In  1933 , she made her debut in Gustav Machaty’s controversial film  Ecstasy . The Czechoslovak film, shot in Prague, depicts a young wife  yearning  for her husband’s love.  Close-ups  of her face during a supposed orgasm and her running naked through the woods brought her notoriety—and, later, much  heartache .

Her husband,  Friedrich Mandl  (also known as Fritz Mandl), an  arms manufacturer , was not happy about marrying a woman with such a background and tried  to destroy the film , buying and destroying many of the copies. He  controlled her life , preventing her from pursuing her career. To compensate, he took her to meetings with Nazi friends and business partners, where  Hedy learned a great deal about military technology .

Escape to America

n  1937 , the actress managed to escape from her husband —  disguised as a maid  — and went to Paris, where she obtained a divorce. She moved to  London , where she met  L. B. Mayer , who hired her and suggested that she change her name to  Hedy Lamarr , in honor of the star  Barbara La Marr , who had died in 1926.

Hollywood Career

Upon arriving in  Hollywood , she was hired by  MGM  and served as a model for actresses such as  Joan Bennett  and  Rita Hayworth . Her sensuality, green eyes and extremely black hair  captivated the public  and made many men sigh for the Viennese.

She made her American debut with  “Algiers” (1938) , followed by  “Boom Town” (1940) ,  “White Cargo” (1942)  and  “Tortilla Flat” (1942) . In  1941 , she starred alongside  Lana Turner  and  Judy Garland  in the musical  “Ziegfeld Girl” .

There were  18 films in 9 years . His biggest success was  “Samson and Delilah” (1949) , by Cecil B. DeMille, but, after  “My Favorite Spy” (1951) , his career went into decline.

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Scientist Hedy Lamarr

During  World War II , the actress created a  radio jamming system  to mislead Nazi radars and patented it in  1940 , using her real name,  Hedwig Eva Maria Kiesler . The idea came to her while playing the piano in a duet with composer  George Antheil  — hence the concept of  frequently changing channels  to avoid interception.

The idea was  rejected by the U.S. War Department  in 1941, but patented in  August 1942. The system used  88 different frequencies , but seemed difficult to implement at the time. It was not until  1962  that the technology was used by military troops in Cuba. In  1997 , Hedy received an award for her contribution.

Personal Life and Difficulties

In the United States, she married  five more times : to  Gene Markey ,  John Loder  (with whom she had two children),  Ted Stauffer ,  Howard Lee  and  Louis Boies . All of her marriages failed. It is said that only the first two were for love; the others were for  financial necessity .

Over time,  she lost out to new stars  like  Marilyn Monroe  and  Kim Novak . Her body type was no longer in demand, and her agent had trouble finding roles.  She was broke  and turned down TV jobs, considering it an inferior medium.

She had  plastic surgery  when she was still 40 (including on her elbows!) and was always criticizing herself in the mirror, according to her son,  John Loder .

Her life took a turn for the worse when she was  arrested for shoplifting  at a department store. The public was shocked to learn that their former idol was on trial for  stealing a knitted dress . In court, she said:

I stole because I had no money. I am in a state of poverty, living in a wooden house, eaten by termites. I cook and wash my own clothes, because I have no way of paying anyone.

She was  unanimously acquitted  and advised to write a book. She hired a writer for  “Ecstasy and Me,” which eventually earned her $200,000, of which 80 percent went to back taxes, 50 percent went to the writer, and she kept only $20,000. She later sued the publisher, claiming that many of the stories were fabricated by writer  Leo Guild , including accounts of alleged sexual abuse during her escape.

Legacy

Hedy died on  January 19, 2000 , and her ashes were scattered in the  Wienerwald forest . She married five times and had a life marked by scandals, but her greatest legacy was her  revolutionary invention .

The  frequency system  she developed served as the basis for  cell phone communication technology , earning her the title of  “mother of the cell phone” .

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