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SDS developed from the youth branch of a socialist educational organization known as the League for Industrial Democracy (LID). LID itself descended from an older student organization, the Intercollegiate Socialist Society, founded in 1905 by Upton Sinclair, Walter Lippmann, Clarence Darrow, and Jack London.

Huntsville is a city in Madison County and Limestone County, Alabama, United States. It is the county seat of Madison County. Located in the Appalachian region of northern Alabama, Huntsville is the most populous city in the state. Huntsville was founded within the Mississippi Territory in 1805 and became an incorporated town in 1811.

Katherine Johnson ( née Coleman; August 26, 1918 – February 24, 2020) was an American mathematician whose calculations of orbital mechanics as a NASA employee were critical to the success of the first and subsequent U.S. crewed spaceflights.

The National Aeronautics and Space Administration(NASA/ˈnæsə/) is an independent agencyof the U.S. federal governmentresponsible for the civilian space program, as well as aeronauticsand spaceresearch. [note 1] NASA was established in 1958, succeeding the National Advisory Committee for Aeronautics(NACA).

Learning is the process of acquiring new understanding, knowledge, behaviors, skills, values, attitudes, and preferences. The ability to learn is possessed by humans, animals, and some machines; there is also evidence for some kind of learning in certain plants.