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Garrett Augustus Morgan Sr. (March 4, 1877 – July 27, 1963) was an American inventor, businessman, and community leader.His most notable inventions were a type of three-way traffic light, [1] and a protective 'smoke hood' [2] notably used in a 1916 tunnel construction disaster rescue.
Bird's-eye view map of Cleveland in 1877. The city of Cleveland, Ohio, was founded by General Moses Cleaveland of the Connecticut Land Company on July 22, 1796. Its central location on the southern shore of Lake Erie and the mouth of the Cuyahoga River allowed it to become a major center for Great Lakes trade in northern Ohio in the early 19th century.
Winton relinquished leadership in 1928. By 1930 the company was sold to General Motors, and was renamed Cleveland Diesel Engine Division. [10] Winton was a prolific inventor, with over 100 patents in the fields of motor cars and engines. He also had several bicycle inventions. He allowed free use of his patents when a question of safety was ...
This 1905 Swiss Chalet Revival style house was built for Frederick W. Bomonti, a famous Swiss American restaurateur in Cleveland. It is an exemplar of the type of architecture favored by Swiss Americans, a large and influential immigrant group in Cleveland in the late 1800s. 19: Broadway Avenue Historic District: Broadway Avenue Historic District
The Encyclopedia of Cleveland History was the brainchild of Dr. David Van Tassel, a history professor at Case Western Reserve University and the creator of National History Day. Van Tassel was approached by Homer Wadsworth, the director of The Cleveland Foundation, to write a history of Cleveland. Van Tassel decided that the project was best ...
The Star Tribune's reader-powered reporting project, Curious Minnesota, recently compiled a list of notable inventions that came from Minnesota. We invited our audience to tell us any that we missed.
Percy Lavon Julian (April 11, 1899 – April 19, 1975) was an American research chemist and a pioneer in the chemical synthesis of medicinal drugs from plants. [1] Julian was the first person to synthesize the natural product physostigmine, and a pioneer in industrial large-scale chemical synthesis of the human hormones progesterone and testosterone from plant sterols such as stigmasterol and ...
4th century: Fishing reel in Ancient China: In literary records, the earliest evidence of the fishing reel comes from a 4th-century AD [312] work entitled Lives of Famous Immortals. [313] 347: Oil Wells and Borehole drilling in China. Such wells could reach depths of up to 240 m (790 ft). [314]