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explorer
Henry Hudson’s Voyages in North America

Henry Hudson’s Voyages in North America

Harald Sack
On September 11, 1609, English sea explorer and navigator Henry Hudson after having reached the estuary of the river that carries his name today, followed the river upstream sailing along Manhattan Island. Hudson explored the region around modern New York metropolitan area while looking for a western route to Asia while in the employment of the Dutch East India Company. He explored the river which eventually was named for him, and laid…
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astronomy
Helen Swayer Hogg and the Globular Clusters

Helen Swayer Hogg and the Globular Clusters

Harald Sack
On August 1, 1905, American-Canadian astronomer Helen Sawyer Hogg was born. Hogg is noted for pioneering research into globular clusters (stars with cyclical changes of brightness found within huge, dense conglomerations of stars located in the outer halo of the Milky Way galaxy) and variable stars. She was the first female president of several astronomical organizations and a notable woman of science in a time when many universities would not award scientific…
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biology
Félix d’Herelle and the Bacteriophages

Félix d’Herelle and the Bacteriophages

Tabea Tietz
On April 25, 1873, French-Canadian microbiologist Félix d’Herelle was born. D’Herelle was co-discoverer of bacteriophages (viruses that infect bacteria) and experimented with the possibility of phage therapy. D’Herelle has also been credited for his contributions to the larger concept of applied microbiology. Early Years as Autodidact Félix D’Hérelle was born in Paris, France. He attended l’Ecole Monge (Lycée Condorcet) and then the Lycée Louis-le-Grand in Paris. His father, who was 30 years…
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medical science
Hans Selye and Phenomenon of Stress

Hans Selye and Phenomenon of Stress

Tabea Tietz
On January 26, 1907, pioneering Austrian-Canadian endocrinologist Hans Selye was born. He conducted much important scientific work on the hypothetical non-specific response of an organism to stressors. Although he did not recognize all of the many aspects of glucocorticoids, Selye was aware of their role in the stress response. He is considered the first to demonstrate the existence of biological stress. Hans Selye – Early Years Hans Selye was born in Vienna,…
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mathematics
John Charles Fields and the Fields Medal

John Charles Fields and the Fields Medal

Harald Sack
On May 14, 1863, Canadian mathematician John Charles Fields was born. He is the founder of the Fields Medal for outstanding achievement in mathematics. First awarded in 1936, the medal has been awarded since 1950 every four years at the International Congress of Mathematicians to two to four recipients under the age of 40. John Charles Fields – Early Years Born in Hamilton, Ontario to Harriet Bowes and John Charles Field, a leather…
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explorer
Robert Cavelier de La Salle and his Mississippi Expedition

Robert Cavelier de La Salle and his Mississippi Expedition

Tabea Tietz
On April 7, 1682, French explorer René-Robert Cavelier, Sieur de La Salle reached the mouth of the Mississippi river at the end of his great expedition, claiming the region watered by the Mississippi and its tributaries for France, and naming it Louisiana after King Louis XIV. His last expedition was to invade and conquer part of the Spanish province of Mexico, which failed and cost La Salle his life. Robert Cavelier de…
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philosophy
The Medium is the Message – Marshall McLuhan

The Medium is the Message – Marshall McLuhan

Harald Sack
On July 21, 1911, Canadian philosopher of communication theory Herbert Marshall McLuhan was born. His groundbreaking work is considered to be the cornerstone of media and communication theory. McLuhan is known for coining the expressions the medium is the message and the global village, and for predicting the World Wide Web almost thirty years before it was invented. “In television, images are projected at you. You are the screen. The images wrap…
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explorer
Jacques Cartier and the Discovery of Canada

Jacques Cartier and the Discovery of Canada

Harald Sack
On April 20, 1534, French explorer of Breton origin Jacques Cartier set sail under a commission from the king, hoping to discover a western passage to the wealthy markets of Asia to discover Canada and Labrador. Actually, Jacques Cartier was the first European to describe and map the Gulf of Saint Lawrence and the shores of the Saint Lawrence River, which he named “The Country of Canadas”, after the Iroquois names for…
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chemistry
Henry Taube and the Mechanisms of Electron-transfer Reactions

Henry Taube and the Mechanisms of Electron-transfer Reactions

Harald Sack
On November 30, 1915, Canadian-born American chemist Henry Taube was born. Taube has been awarded the 1983 Nobel Prize in Chemistry for his extensive research into the properties and reactions of dissolved inorganic substances, particularly oxidation-reduction processes involving the ions of metallic elements. Metals often form complexes, in which other atoms cluster around the metal atom, transferring and sharing electrons among themselves to bind together. Taube discovered that during a reaction, a…
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anthropology
Davidson Black and the Discovery of the Peking Man

Davidson Black and the Discovery of the Peking Man

Tabea Tietz
On July 25, 1884, Canadian anatomist and paleoanthropologist Davidson Black was born. Black is best known for his postulation of the existence of a distinct form of early man, Sinanthropus pekinensis, popularly known as Peking man and now Homo erectus pekinensis. Collecting Fossils as a Child It is believed that Davidson Black already enjoyed to collect fossils along the banks of the Don River when he was a child. Further, he probably…
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