Alexander Emanuel Agassiz
Alexander Emmanuel Rodolphe Agassiz , son of Louis Agassiz and stepson of Elizabeth Cabot Agassiz, was an American scientist and engineer.
Agassiz was born in Neuchtel, Switzerland and immigrated to the United States with his father in 1849. He graduated from Harvard University in 1855, subsequently studying engineering and chemistry, and taking the degree of bachelor of science at the Lawrence scientific school of the same institution in 1857 and in 1859 became an assistant in the United States Coast Survey.
Source: Wikipedia