Preceden

Hedy Lamarr Timeline

(1914 – 2000)

Hedy Lamarr (1914–2000) was an Austrian-born American actress who rose to fame in European and Hollywood cinema during the 1930s and 1940s. Beyond her celebrated screen career, she co-invented a frequency-hopping spread spectrum system intended for torpedo guidance during World War II. Her invention later became foundational to modern wireless technologies such as Wi-Fi, Bluetooth, and GPS, earning her posthumous recognition as both a film icon and a trailblazing inventor. Less

Go to: Timeline | Event List | Key Facts | Directory

Early Life

Hedy Lamarr is born in Vienna

Nov 9, 1914

Hedy Lamarr was born Hedwig Eva Maria Kiesler in Vienna, Austria-Hungary, the only child of Emil Kiesler, a bank director, and Gertrud Kiesler, a pianist. Her father's curiosity about how things worked and her mother's artistic background shaped her dual interests in performance and invention.

Image source: Hedy Lamarr

Hedy Lamarr is born in Vienna

Wins a beauty contest as a teenager

Jan 1, 1930

As a teenager in Vienna, Lamarr won a local beauty contest, which helped launch her ambitions in acting. Around this time she also worked briefly as a script girl for Sascha-Film, gaining early exposure to the film industry.

Marries Friedrich Mandl

Aug 10, 1933

Lamarr married Friedrich Mandl, a wealthy Austrian arms manufacturer with ties to fascist regimes. During their marriage she accompanied him to business meetings where she absorbed technical knowledge about military weaponry, an experience that later informed her inventive work.

Image source: Fritz Mandl

Marries Friedrich Mandl

Escapes Mandl and leaves Austria

Jan 1, 1937

Disguising herself, Lamarr fled her controlling husband and Nazi-annexing Europe, traveling first to Paris and then London. She left behind much of her wealth and began rebuilding her life abroad.

Divorces Friedrich Mandl officially

Jan 1, 1937

After fleeing Europe, Lamarr obtained a divorce from Friedrich Mandl, freeing her from a marriage marked by control and surveillance. She retained painful memories of the relationship throughout her life.

Marries screenwriter Gene Markey

May 5, 1939 - Oct 3, 1941

Lamarr married writer and naval officer Gene Markey, her second of six marriages. The union produced her son James and ended in divorce after roughly two years.

Image source: Gene Markey

Marries screenwriter Gene Markey

Film Career

Makes her film debut in Money on the Street

Jan 1, 1930

Lamarr made her screen debut with a small role in the Austrian film 'Money on the Street' (Geld auf der Straße), beginning a career in European cinema while still in her mid-teens.

Stars in Ecstasy

Jan 20, 1933

At age 18, Lamarr starred in the Czech-Austrian art film 'Ecstasy' (Ekstasi), directed by Gustav Machatý. The film featured her in brief nude scenes and simulated lovemaking, making it notorious worldwide and bringing her both fame and scandal.

Image source: Ecstasy (film)

Stars in Ecstasy

Meets Louis B. Mayer in London

Jan 1, 1937

While in London, Lamarr met MGM studio head Louis B. Mayer. Impressed by her beauty and poise, he offered her a contract, and she sailed to America under the name Hedy Lamarr.

Image source: Louis B. Mayer

Meets Louis B. Mayer in London

Signs contract with Metro-Goldwyn-Mayer

Jan 1, 1938

Mayer signed Lamarr to an MGM contract, promoting her in Hollywood as 'the most beautiful woman in the world.' The studio carefully managed her image and launched her American career.

Image source: Metro-Goldwyn-Mayer

Signs contract with Metro-Goldwyn-Mayer

Stars in Algiers opposite Charles Boyer

Apr 28, 1938

Her American debut in 'Algiers' made Lamarr an instant Hollywood star. The exotic romance opposite Charles Boyer established her glamorous screen persona, though she later lamented being typecast in roles emphasizing looks over talent.

Image source: Algiers (1938 film)

Stars in Algiers opposite Charles Boyer

Appears in Lady of the Tropics

Aug 11, 1939

Lamarr co-starred with Robert Taylor in this MGM romantic melodrama set in French Indochina. Though commercially successful, it exemplified the typecasting she grew frustrated with at the studio.

Image source: Lady of the Tropics

Appears in Lady of the Tropics

Co-stars in Boom Town with Clark Gable and Spencer Tracy

Jul 30, 1940

In this major MGM hit about Texas wildcatters, Lamarr held her own alongside Clark Gable, Spencer Tracy, and Claudette Colbert. It became one of the biggest box-office successes of 1940.

Image source: Boom Town (film)

Co-stars in Boom Town with Clark Gable and Spencer Tracy

Stars in Tortilla Flat

May 22, 1942

Lamarr appeared alongside Spencer Tracy and John Garfield in MGM's adaptation of John Steinbeck's novel about Monterey paisanos, one of several high-profile productions of her wartime career.

Image source: Tortilla Flat (film)

Stars in Tortilla Flat

Stars in White Cargo

Nov 27, 1942

Lamarr played Tondelayo, a sultry jungle temptress, in this MGM melodrama. Though a commercial hit, the role deepened her frustration with stereotyped parts that showcased her exotic image rather than her acting range.

Image source: White Cargo

Stars in White Cargo

Stars in The Conspirators

Oct 21, 1944

In this wartime espionage thriller set in Lisbon, Lamarr starred with Paul Henreid and Sydney Greenstreet, playing a resistance figure entangled in intrigue against the Nazis.

Image source: The Conspirator

Stars in The Conspirators

Leaves MGM after contract ends

Jan 1, 1945

When her MGM contract expired in 1945, Lamarr sought greater creative freedom as a freelance actress, hoping to escape the glamour-typecasting that had defined her studio years.

Stars in Cecil B. DeMille's Samson and Delilah

Dec 21, 1949

Lamarr played Delilah opposite Victor Mature in Cecil B. DeMille's Technicolor biblical epic. The film was the highest-grossing movie of 1950 and gave Lamarr one of her greatest career triumphs.

Image source: Samson and Delilah (1949 film)

Stars in Cecil B. DeMille's Samson and Delilah

Stars in My Favorite Spy with Bob Hope

Oct 25, 1951

Lamarr demonstrated comedic timing in this Paramount spy farce opposite Bob Hope, playing a double agent. It proved to be one of her final significant starring vehicles.

Inventions and Science

Develops frequency-hopping idea with George Antheil

Jan 1, 1940

Motivated to aid the Allied war effort against German U-boats, Lamarr applied her wartime knowledge of torpedoes to develop a radio guidance system resistant to jamming. She collaborated with avant-garde composer George Antheil, who contributed synchronized piano-roll mechanics.

Image source: Frequency-hopping spread spectrum

Develops frequency-hopping idea with George Antheil

Patents frequency-hopping spread spectrum technology

Jun 10, 1941

On June 10, 1941, Lamarr submitted her invention, and on August 11, 1942, she and Antheil received U.S. Patent 2,292,387 for a 'Secret Communication System.' The patent described frequency hopping to prevent enemy interception of torpedo control signals.

Image source: Spread spectrum

Patents frequency-hopping spread spectrum technology

Navy rejects the Secret Communication System

Jan 1, 1942

The U.S. Navy evaluated the invention but declined to implement it, partly due to skepticism about a film actress and mechanical impracticalities. The patent expired unused during the war, decades before its principles proved transformative.

Image source: United States Navy

Navy rejects the Secret Communication System

Frequency-hopping concept adopted in modern wireless technology

Jan 1, 1980

Decades after her patent expired, engineers recognized that frequency-hopping principles underpinned technologies like military communications, GPS, Bluetooth, and Wi-Fi. Lamarr's invention became foundational to modern secure wireless communication.

Inducted into the National Inventors Hall of Fame

Jan 1, 2014

Fourteen years after her death, Lamarr was posthumously inducted into the National Inventors Hall of Fame for her frequency-hopping invention, securing her place among history's great inventors.

Image source: National Inventors Hall of Fame

Inducted into the National Inventors Hall of Fame

Later Life and Legacy

Sells war bonds on national tour

Jun 1, 1942 - Sep 1, 1942

Lamarr undertook a grueling war bond-selling tour, reportedly raising millions of dollars for the Allied cause. At one appearance she offered kisses to buyers and sold bonds worth extraordinary sums in single days.

Image source: War bond

Sells war bonds on national tour

Becomes a US citizen

Apr 10, 1953

Lamarr became a naturalized citizen of the United States, formally cementing the identity she had built after fleeing wartime Europe more than fifteen years earlier.

Publishes autobiography Ecstasy and Me

Jan 1, 1966

Lamarr released a sensational ghostwritten memoir detailing her marriages, career, and private life. She later disavowed portions of the book, which nonetheless renewed public interest in her story.

Image source: Ecstasy and Me

Publishes autobiography Ecstasy and Me

Arrested for shoplifting in Los Angeles

Jan 27, 1966

Lamarr was arrested on shoplifting charges in Los Angeles, an episode widely publicized amid her personal difficulties. She was ultimately acquitted after a judge determined she had not taken items intentionally.

Receives EFF Pioneer Award

Mar 1, 1997

The Electronic Frontier Foundation honored Lamarr with its Pioneer Award, finally giving public recognition to her pioneering contribution to spread-spectrum communications technology late in her life.

Hedy Lamarr dies in Casselberry, Florida

Jan 19, 2000

Lamarr died at age 85 in Casselberry, Florida. Her death prompted worldwide tributes celebrating both her cinematic stardom and her scientific ingenuity, with many noting she died just shy of the new millennium that would vindicate her invention.

Bombshell documentary premieres at Tribeca Film Festival

Apr 23, 2017

The documentary 'Bombshell: The Hedy Lamarr Story,' produced by Susan Sarandon, premiered at the Tribeca Film Festival, introducing new generations to Lamarr's dual legacy as a Hollywood icon and inventor.

Image source: Hedy Lamarr

Bombshell documentary premieres at Tribeca Film Festival

Key Facts

  1. Hedy Lamarr was born Hedwig Eva Maria Kiesler on November 9, 1914, in Vienna, Austria.
  2. She gained international notoriety with the 1933 Czech film 'Ecstasy,' one of the first films to feature nudity and female pleasure on screen.
  3. She signed with MGM in 1937 and became one of Hollywood's biggest stars, appearing in films like 'Algiers' (1938) and 'Samson and Delilah' (1949).
  4. During World War II, she and composer George Antheil patented a frequency-hopping spread spectrum communication system designed to prevent torpedoes from being jammed or detected.
  5. Though her invention was largely ignored during her lifetime, it became fundamental to modern wireless technologies, and she was posthumously inducted into the National Inventors Hall of Fame in 2014.

Source

This Hedy Lamarr timeline was generated with the help of AI, using information found on the internet.

We work hard to keep these timelines accurate, but mistakes do get through. If you spot one, email us at [email protected] and we'll fix it for future visitors.

Want a timeline like this one?

Generate yours with AI or build it from scratch, for free.

Try It for Free