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Ernest Lawrence and the Invention of the Cyclotron

Ernest Lawrence and the Invention of the Cyclotron

On August 8, 1901, pioneering American nuclear scientist Ernest Orlando Lawrence was born. He was awarded the 1939 Nobel Prize in Physics for his invention of the cyclotron. He is also known for his work on uranium-isotope separation for the Manhattan Project, and for founding the Lawrence Berkeley Laboratory and the Lawrence Livermore Laboratory. “I am mindful that scientific achievement is rooted in the past, is cultivated to full stature by many contemporaries and…
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Vladimir Zworykin and the Invention of Television

Vladimir Zworykin and the Invention of Television

On July 30, 1888, Russian inventor, engineer, and pioneer of television technology Vladimir Zworykin was born. Zworykin invented a television transmitting and receiving system employing cathode ray tubes. He played a role in the practical development of television from the early thirties, including charge storage-type tubes, infrared image tubes and the electron microscope. Vladimir Zworykin – Youth in Russia Vladimir Kosmich Zworykin was born in Murom, Russia, the son of Kosma A. Zworykin, a wealthy businessman,…
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Isidor Isaac Rabi and the Nuclear Magnetic Resonance

Isidor Isaac Rabi and the Nuclear Magnetic Resonance

On July 29, 1898, Polish-born American physicist and Nobel laureate Isidor Isaac Rabi was born. He is best known for his discovery of nuclear magnetic resonance, which is used in magnetic resonance imaging. He was also involved in the development of the cavity magnetron, which is used in microwave radar and microwave ovens. “My mother made me a scientist without ever intending to. Every other Jewish mother in Brooklyn would ask her child…
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Thomas Say – the Father of American Descriptive Entomology and American conchology

Thomas Say – the Father of American Descriptive Entomology and American conchology

On July 27, 1787, American self-taught naturalist, entomologist, malacologist, herpetologist and carcinologist Thomas Say was born. A taxonomist, he is widely considered the father of descriptive entomology in the United States. Thomas Say – Early Years Thomas Say was the great-grandson of the co-founder of the American Philosophical Society, John Bartram (1699-1777), and the great-nephew of William Bartram (1739-1823). The whole family consisted of members of a Quaker sect. Say’s statement that he belonged…
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Thomas Kuhn and the Structure of Scientific Revolutions

Thomas Kuhn and the Structure of Scientific Revolutions

On July 18, 1922, American physicist, historian, and philosopher of science Thomas Samuel Kuhn was born. He is most famous for his controversial 1962 book The Structure of Scientific Revolutions, which was influential in both academic and popular circles, introducing the term “paradigm shift“, which has since become an English-language idiom. “Only when they must choose between competing theories do scientists behave like philosophers.” — Thomas Kuhn, Logic of Discovery or Psychology…
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Henrietta Swan Leavitt and the Light of the Cepheids

Henrietta Swan Leavitt and the Light of the Cepheids

On July 4, 1868, American astronomer Henrietta Swan Leavitt was born. She is best known for her discovery of the relation between the luminosity and the period of Cepheid variable stars. Based on her luminosity-period relation for Cepheids, Edwin Hubble was able to determine that the universe is expanding. Henrietta Swan Leavitt – Early Years Henrietta Swan Leavitt was born in Lancaster, Massachusetts, as daughter among seven children of Congregational church minister…
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Ottmar Mergenthaler – a Second Gutenberg

Ottmar Mergenthaler – a Second Gutenberg

On July 3, 1886, the first Linotype machine invented by German inventor Ottmar Mergenthaler commenced operation for the New York Tribune. The Linotype was the first device that could easily and quickly set complete lines of type for use in printing presses and revolutionized the art of printing. Along with letterpress printing, linotype was the industry standard for newspapers, magazines and posters from the late 19th century to the 1960s and 70s,…
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Joshua Slocum and his first Single-handed Sail around the World

Joshua Slocum and his first Single-handed Sail around the World

On June 27, 1898, the first solo circumnavigation of the globe is completed by Joshua Slocum from Brier Island, Nova Scotia. After more than three years, Slocum returned in his gaff rigged sloop oyster boat named Spray having circumnavigated the world, a distance of more than 74,000 km. The event was almost unnoticed because the Spanish–American War, which had begun two months earlier, dominated all the headlines. Joshua Slocum – Youth and Education…
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Hubertus Strughold the Father of Space Medicine with a Dark Past

Hubertus Strughold the Father of Space Medicine with a Dark Past

On June 15, 1898, German-born physiologist and prominent medical researcher Hubertus Strughold was born. For his role in pioneering the study of the physical and psychological effects of manned spaceflight he became known as “The Father of Space Medicine“. In the late 1920’s, he began investigating the physiological aspects of what he called the “vertical frontier” in Germany. He served as chief of Aeromedical Research for the German Luftwaffe throughout World War…
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The Most Famous Duck in the World

The Most Famous Duck in the World

On June 9, 1934, Walt Disney’s Silly Symphonies cartoon The Wise Little Hen premiered, which featured the the debut of Donald Duck, dancing to the Sailor’s Hornpipe. Donald is an anthropomorphic white duck, most famous for his semi-intelligible speech and his mischievous and temperamental personality. Along with his friend Mickey Mouse, Donald is one of the most popular Disney characters. “Donald is a very outrageous fellow, with bad manners and a worse temper, and everyone…
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