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Joseph Priestley

chemistry
James Smithson’s Last Will and its Remarkable Consequences

James Smithson’s Last Will and its Remarkable Consequences

Tabea Tietz
On June 27, 1829, English chemist and mineralogist James Smithson passed away, whose bequest of substantial funds in his will established the Smithsonian Institution, Washington, D.C., “for the increase and diffusion of knowledge”, despite having never visited the United States. “I then bequeath the whole of my property … to the United States of America, to found at Washington, under the name of the Smithsonian Institution, an establishment for the increase and…
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biology
Jean Senebier and the Discovery of Photosynthesis

Jean Senebier and the Discovery of Photosynthesis

Tabea Tietz
On May 6, 1742, Swiss pastor and naturalist Jean Senebier was born. Senebier wrote extensively on plant physiology and was one of the major early pioneers of photosynthesis research. He was the first who demonstrated that green plants consume carbon dioxide and release oxygen under the influence of light. How do the Plants gain their Mass? Before Jean Senebier researched in the field of photosynthesis, other scientists had engaged in the field including Flemish chemist, physiologist,…
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biology
Jan Ingenhousz and the Principles of Photosynthesis

Jan Ingenhousz and the Principles of Photosynthesis

Tabea Tietz
On December 8, 1730, Dutch physiologist, biologist and chemist Jan Ingenhousz was born. He is best known for showing that light is essential to photosynthesis and thus became one of the scientists who significantly contributed to the discovery of photosynthesis. He also discovered that plants, like animals, have cellular respiration. “Mr. Ingenhouszen belongs to the small number of working physicists who possess the fruitful talent not only to pursue individual objects with admirable…
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chemistry
Joseph Priestley and the Discovery of Oxygen

Joseph Priestley and the Discovery of Oxygen

Tabea Tietz
On February 6, 1804, English theologian, Dissenting clergyman, natural philosopher, chemist, educator, and Liberal political theorist Joseph Priestley passed away. Being a rather prolific author with more than 150 works published, he is usually credited with the discovery of oxygen, having isolated it in its gaseous state, although Carl Wilhelm Scheele and Antoine Lavoisier also have a claim to the discovery.[4,6] “It is known to all persons who are conversant in experimental…
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medical science
Crawford Long and the Diethyl Ether Anesthesia

Crawford Long and the Diethyl Ether Anesthesia

Harald Sack
On March 30, 1842, American surgeon and pharmacist Crawford Williamson Long for the very first time used inhaled diethyl ether as an anesthetic for surgery. Can you imagine a surgery without anesthetic? Standing the pain while a surgeon is cutting something somewhere in your body? I think better not to. But, anesthetics already have a long tradition, longer than you might think. Anesthetics before Crawford Long Already since antiquity, a variety of…
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philosophy
The Influential Timelines of Joseph Priestley

The Influential Timelines of Joseph Priestley

Tabea Tietz
On March 13, 1733 (March 24 according to the new Gregorian calendar), English theologian, Dissenting clergyman, natural philosopher and chemist Joseph Priestley was born. He is usually credited with the discovery of oxygen, having isolated it in its gaseous state, although Carl Wilhelm Scheele [3] and Antoine Lavoisier [4] also have a claim to the discovery. A scholar and teacher throughout his life, Priestley also made significant contributions to pedagogy, including the publication of…
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physics
Benjamin Franklin and the Invention of the Lightning Rod

Benjamin Franklin and the Invention of the Lightning Rod

Harald Sack
On June 15, 1752, Benjamin Franklin proved that lightning is electricity and invented the lightning rod through his experiments with kites. Early Years of Benjamin Frankflin As you might know for sure, Benjamin Franklin was not only an enthusiastic scientist, inventor, and author, but also one of the Founding Fathers of the United States. His roots lay back in Boston, where he was born in 1706 as the son of a chandler. He was…
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