Search results
Results From The WOW.Com Content Network
Joseph Black (16 April 1728 – 6 December 1799) was a British physicist and chemist, known for his discoveries of magnesium, latent heat, specific heat, and carbon dioxide. He was Professor of Anatomy and Chemistry at the University of Glasgow for 10 years from 1756, and then Professor of Medicine and Chemistry at the University of Edinburgh ...
The first black person on record to have successfully performed pericardium (the sac surrounding the heart) surgery to repair a wound. [193] Williams, Marguerite Thomas: 1895–1991 Geologist: First black person to receive a Ph.D. in Geology Williams, Scott W. 1943– Mathematician [194] Williams, Walter E. 1936–2020 Economist, social scientist
Black doctors, lawyers, and other businessmen were the foundation of the Black middle class. [83] Many Black people organized to help strengthen the Black community and continue the fight against slavery. One of these organizations was the American Society of Free Persons of Colour, founded in 1830.
After his death in 1901, Dédé’s “Morgiane” – like many manuscripts of 19th century Black composers – vanished, until by chance, researchers discovered a copy of the score in Harvard ...
First African-American interracial romantic kiss in a mainstream comics magazine: "The Men Who Called Him Monster", by writer Don McGregor (See also: 1975) and artist Luis Garcia, in Warren Publishing's black-and-white horror-comics magazine Creepy #43 (Jan. 1972) (See also: 1975) [256]
The team's claim had gained widespread acceptance, but, in 1989, Wally Herbert published research that found that their expedition records were unreliable and indicated an implausibly high speed during their final rush for the pole, and that the men could have fallen 30–60 miles (48–97 km) short of the pole due to navigational errors.
Researchers believe they've recorded potentially the first-ever sighting of an adult abyssal fish, Melanocetus johnsonii, in broad daylight. Normally found at depths between 200 and 2,000 meters ...
The supermassive black hole at the core of Messier 87, here shown by an image by the Event Horizon Telescope, is among the black holes in this list. This is an ordered list of the most massive black holes so far discovered (and probable candidates), measured in units of solar masses (M ☉), approximately 2 × 10 30 kilograms.