3233 - Madison, Wisconsin, United States of America

Lise Meitner was a physicist born in Austria-Hungary, but gained Swedish citizenship in 1949. She is responsible for the discovery of protactinium and nuclear fission. Protactinium is a radioactive chemical element (Pa). It reacts with oxygen, water vapor, and inorganic acids.

She discovered protactinium in 1917 while at the Kaiser Wilhelm Institute of Chemistry in Berlin. Meitner and her nephew, Otto Robert Frisch, discovered nuclear fission in 1938.

She was nominated for the Nobel Prize in Chemistry 19 times between 1924 and 1948, and the Nobel Prize for Physics 30 times between 1937 and 1967. In 1944, her collaborator Otto Hahn won the Nobel Prize in Chemistry for nuclear fission. Many scientists called her exclusion unjust.

Chemical element 109 meitnerium was named for her in 1997.

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3584 - Blaine, Minnesota, United States of America

The sender was in Las Vegas recently and bought this card from The Mob Museum. The Mob Museum, officially known as the National Museum of Organized Crime and Law Enforcement, is located in downtown Las Vegas. It open in 2012. It features artifacts, stories, and the history of organized crime in the United States, but also the actions and initiatives by law enforcement to prevent such crimes. The museum is found at the former Las Vegas Post Office and Courthouse, which was built in 1933. The quote on this card was from John Gotti. John Gotti (1940-2002) was the mafioso and boss of the Gambino crime family in New York City. After ordering the killing of Gambino boss Paul Catellano in 1985, he took over the family and led what was the United States' most powerful crime syndicate. He was known as The Teflon Don after three high profile trials in the 1980s resulted in acquittals. Later it was revealed that the trials had been tainted by jury tampering, juror misconduct, and...

3564 - Kassel, Hesse, Germany

A wonderful message on this card that translates to to those wh o can wait, everything comes with time.

2346 - Iwate, Iwate, Japan

Keita is a junior high science teacher in Iwate 岩手町. He sent me a photo of the Tokyo Sky Tower during a fireworks display. The Tokyo Sky Tower is a broadcasting and observation tower in Simide, a special ward in the Tokyo Metropolis. It became the tallest structure in Japan in 2010. In 2011, when it was completed at a height of 634 meters, it became the tallest tower in the world, and the second tallest structure in the world, after Burj Khalifa in Dubai, UAE.

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