On January 9, 1903, President Theodore Roosevelt established Wind Cave National Park in South Dakota, the world’s first cave designated as a national park. It is named for the whistling, rushing noise of the wind at the mouth of the cave. The cave breathes…
On November 29, 1803, mathematician Christian Andreas Doppler was born in Austria. Although primarily a teacher of mathematics, he also studied astronomy and eventually became the Director of the Institute of Physics at the University of Vienna. The years in between were filled with…
On November 18, 1906, Chinese ornithologist Tso-hsin Cheng [Zheng Zuoxin] was born. As a boy, he learned to identify the birds in the Fujian forests by their calls. Travelling to the United States, Cheng completed doctoral studies at University of Michigan before taking a…
On November 17, 1865, Canadian astronomer and astrophysicist John Stanley Plaskett was born in Hickson, Ontario. A trained mechanic and electrician, he accepted a position at University of Toronto where he was employed to apply his skills to the design, construction, and maintenance of…
On October 29, 1831, American paleontologist Othniel Charles Marsh was born. As a professor of paleontology at Yale, Marsh led student expeditions to the West aboard the recently completed Union Pacific Railway to find fossils. Full of energy and passion for his subject, Marsh…
On October 27, 1986, Nevada’s Great Basin National Park was established, incorporating the Lehman Caves National Monument. Rather than being one actual great basin, the area is a collection of many small basins. The park, with its deserts, mountains, and caves, ranges in elevation…
On October 24, 1908, Canadian geologist and geophysicist John Tuzo Wilson, CC, OBE, FRS, FRSC, FRSE was born. After academic studies on three continents, a stint with the Geological Survey of Canada, and the Royal Canadian (Army) Engineers, he taught geophysics at the University…
On September 11, 1847, American astronomer Mary Watson Whitney was born. She excelled in mathematics and nature studies. Whitney was one of Vassar’s first students in the college’s opening year and one of its first students in its new department of astronomy. In a…
On September 9, 1953, Canadian military officer Major Deanna (Dee) Marie Brasseur was born. Brasseur and corps colleague Captain Jane Foster were the first two female fighter pilots in the Canadian Armed Forces. This also made them the first two female fighter pilots in…
On September 3, 1874, Norwegian mathematician and geophysicist Fredrik Carl Mülertz Størmer was born. Although he investigated several astrophysical phenomena during his lifetime such as meteor trails and solar corona, Størmer was particularly involved in the study of the polar auroras. The aurora phenomena…