Most distinguished physicist on light rays is Albert A. Michelson, German Jew ... on x-rays, Arthur H. Compton, English ... on cosmic rays, Robert Millikan, Scotch-Irish ... outstanding investigator of Röentgen ray is Mihran Kassabian, Armenian ... through work on electrotechnics, expansion of telephonic and telegraphic communication made possible by E. F. W. Alexanderson, Swede ... John Kruesi, Swiss, helped Edison develop electric incandescent lamp, dynamo, and phonograph.
Astronomy
First observatory put up by Ephraim Williams, Welsh ... many of our early-day almanacs based on astronomical studies and computations of David Rittenhouse, German-Welsh ... Lick Observatory, California, and Yerkes Observatory, Wisconsin, founded by James Lick and Charles Yerkes, Germans ... for pictures of many of the stars, Dorothy Klumpke, German, achieved much fame ... famous mathematician and everyday almanac maker was Benjamin Banneker, Negro, who also helped L’Enfant, French, to lay out Washington, D. C.
Chemistry
Ephedrin, drug used as base for cold remedies, discovered by K. K. Chen, Chinese ... adrenalin and diastase, discovered by Jokichi Takamine, Japanese ... grape sugar changed into tartaric acid by Mooshegh Vaygoony, Armenian ... George Washington Carver, Negro, made 145 products from peanut, 100 products from sweet potato, and 60 products from the pecan ... fermented milk product of high curative values discovered by H. M. Dadoorian, Armenian.
Exploration
A pilot on one of Columbus’ ships was Pedro Alonzo, Negro ... first explorers in New Mexico led by Estévanico, Moroccan ... first settlers of Alabama, who accompanied De Soto in 1540, were Robles, Negro, and Feryada, Greek ... first reliable map of Virginia and Maryland made by Augustine Herrman, Czech.
Lewis, Welsh, and Clark, English, led the famous expedition to the Northwest ... 1903 Ziegler Expedition to the North Pole led by Anthony Fiala, Czech ... North Pole discovered by Robert Peary, French-English, accompanied by Matthew Henson, Negro ... first to fly across South Pole was Richard Byrd, English.