Science

2009 78¢ Distinguished Americans: Mary Lasker
November 30, 1900

Happy Birthday Mary Lasker

Health activist and philanthropist Mary Woodward Lasker was born on November 30, 1900, in Watertown, Wisconsin. Lasker campaigned for greater cooperation between scientists and the medical community as well as for government funds to finance research.

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1966 8¢ Prominent Americans: Albert Einstein
November 21, 1905

Einstein’s Greatest Breakthrough

On November 21, 1905, Einstein published a paper that presented one of the world’s most famous formulas — E=mc2.

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2022 60¢ National Marine Sanctuaries – Corals & Fish, Rose Atoll American Samoa
October 23, 1972

National Marine Sanctuaries

On October 23, 1972, President Richard Nixon signed legislation establishing the National Marine Sanctuary Program. This program protects and manages over 783,000 square miles of aquatic areas in and around the US.

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2011 $4.95 New River Gorge Bridge, Priority Mail
October 22, 1977

New River Gorge Bridge

On October 22, 1977, the New River Gorge Bridge opened to motorists in West Virginia. The longest single-span arch bridge and highest roadway bridge in the world at the time of its completion, it cut a treacherous 45 minute drive down to just one minute.

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1947 3¢ Thomas A. Edison
October 6, 1889

Thomas Edison Tests his First Motion Picture

Adding to his long list of inventions, Thomas Edison tested his first motion picture film on October 6, 1889.

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2011 44¢ Severo Ochoa
September 24, 1905

Birth of Severo Ochoa

Severo Ochoa de Albornoz was born on September 24, 1905, in Luarca, Spain. Ochoa researched how cells build proteins like RNA, which earned him the Nobel Prize in 1956.

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1996 32¢ Black Heritage: Ernest E. Just
August 14, 1883

Birth of Ernest E. Just

Ernest Everett Just was born on August 14, 1883, in Charleston, South Carolina. Just was an internationally renowned zoologist, known primarily for his work in marine biology.

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1965 5¢ Crusade Against Cancer
August 5, 1937

Founding of National Cancer Institute

On August 5, 1937, President Franklin Roosevelt signed legislation creating the National Cancer Institute.  The institute researches cures and treatments for cancer and is the oldest and largest institute of the National Institutes of Health.

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1966 8¢ Prominent Americans: Albert Einstein
July 16, 1945

First Successful Test of Atomic Bomb 

On July 16, 1945, members of America’s Manhattan Project held their first successful test of the atom bomb in Alamogordo, New Mexico.

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