Central nervous system - Development. 1  During early development of the vertebrate embryo, a longitudinal groove on the neural plate gradually deepens and the ridges on either side of the groove (the neural folds) become elevated, and ultimately meet, transforming the groove into a closed tube called the neural tube.
Haym Salomon. Haym Salomon (also Solomon; April 7, 1740 â January 6, 1785) was a Polish-born American Jewish businessman and political financial broker who immigrated to New York City from Poland during the period of the American Revolution.
Solomon's father Mintus was a freedman who had been a slave in his early life in service to the Northup family. Born in Rhode Island, he was taken with the Northups when they moved to Hoosick, New York, in Rensselaer County. His master, Capt. Henry Northup, manumitted Mintus in his will.