Concha
MANUEL GUTIERREZ DE LA, a Spanish general, brother of José Concha, born in 1808. In 1845 he out down an uprising in Catalonia, and in 1847 amicably adjusted a dispute between Portugal and Spain. In the revolution of 1868 he vainly aided the cause of the Bourbons and was forced to flee from Spain. He was killed in 1874 while assaulting a fortress at Estella. a curve invented by CONCHOID, Nicomedes in the 2d century A. D., and used by him for finding two mean proportionals.