Do you remember: 7 greatest actresses of Hollywood's Golden Age

Hedy Lamarr was best known as an international beauty icon but also became a pioneer in the field of wireless communications. Together with her co-inventor George Anthiel, she developed a "Secret Communications System" to fight against the Nazis in World War II.

Elizabeth Taylor, one of the last stars of the era, was a successful businesswoman and humanitarian. Her trademark double eyelashes were the result of a genetic mutation.

Lauren Bacall was a "Den Mother" of the legendary “Rat Pack” – a group of super popular actors that was originally centered on her husband Humphrey Bogart. Lauren Bacall was named the 20th greatest female star of the Golden Age of motion pictures and that says a lot about her outstanding talent and personality.

Katharine Hepburn was a leading lady in Hollywood for more than 50 years. She became the only winner of four Academy Awards for best actress. The American Film Institute named her the greatest female star of Classic Hollywood Cinema.

Grace Kelly began as a model and became a successful Hollywood actress of the 1950s. Despite her success and critical acclaim, Kelly retired from acting at the age of 26 to marry Prince Rainier of Monaco and take up her duties as a princess.

Marlene Dietrich is still remembered for her unusual style, unique voice and
smoldering sex appeal. This successful German-American actress maintained popularity throughout her unusually long show business career by continually re-inventing herself, professionally and characteristically.

Marilyn Monroe always played "dumb blonde" characters. However, the biggest myth is that she was dumb. She had an IQ of 168! This iconic blonde still owns the minds of men and women. Marilyn was found dead at home on the 5th of August, 1962. Marilyn was only 36 years old, and her death was ruled a "probable suicide". Anyway, the details of the tragedy still remain unknown.