Edward Salisbury Dana was an American mineralogist and physicist. He made important contributions to the study of minerals, especially in the field of crystallography.
E. S. Dana was born in New Haven, Connecticut, the son of the geologist and mineralogist James Dwight Dana. He graduated from Yale College in 1870, where he had been a member of Scroll and Key, and then after two years with George J. Brush at the Sheffield Scientific School, spent another two years studying in Heidelberg and Vienna, specializing in crystal optics and crystallography. He then returned to Yale to take his M.A. and Ph.D. degrees. He was a member of the Connecticut Academy of Arts and Sciences.
Source: Wikipedia