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Henry Rowland, American Physicist

Henry Augustus Rowland ((November 27, 1848 - April 16, 1901) was an American physicist who served as the first president of the American Physical Society and became the first chair of the Physics department at Johns Hopkins University. He is remembered today particularly for the high quality of the diffraction gratings he made and for the work he did with them on the solar spectrum and which have been of enormous advantage to astronomical spectroscopy. He is also remembered for his re-determination of the ohm and a new determination of the mechanical equivalent of heat. Rowland was one of the most brilliant American scientists of his day, and it is sad that at his merits were not appreciated in his own country. He died of diabetes in 1901 at the age of 52.

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Title: Henry Rowland, American Physicist

Caption: Henry Augustus Rowland ((November 27, 1848 - April 16, 1901) was an American physicist who served as the first president of the American Physical Society and became the first chair of the Physics department at Johns Hopkins University. He is remembered today particularly for the high quality of the diffraction gratings he made and for the work he did with them on the solar spectrum and which have been of enormous advantage to astronomical spectroscopy. He is also remembered for his re-determination of the ohm and a new determination of the mechanical equivalent of heat. Rowland was one of the most brilliant American scientists of his day, and it is sad that at his merits were not appreciated in his own country. He died of diabetes in 1901 at the age of 52.

Personalities: JOHNS HOPKINS UNIVERSITY

Category: SCIENCE • black & white • Science: Personalities

Credit: Album / Science Source / New York Public Library

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Image size: 2550 × 3269 px | 23.8 MB

Print size: 21.6 × 27.7 cm | 1003.9 × 1287.0 in (300 dpi)

Keywords: 1848 • 1901 • 19TH CENTURY • AMERICA • AMERICAN PHYSICAL SOCIETY • AMERICAN • ASTRONOMICAL SPECTROSCOPY • BLACK & WHITE • CELEBRITIES • CELEBRITY • DIED OF DIABETES • DIFFRACTION GRATINGS • FAMOUS PEOPLE • FAMOUS • FIGURE • FIRST PRESIDENT • HENRY AUGUSTUS ROWLAND • HENRY ROWLAND • HISTORIC • HISTORICAL • HISTORY • IMPORTANT • JOHNS HOPKINS UNIVERSITY • JOHNS HOPKINS • MALE • MAN • MECHANICAL EQUIVALENT OF HEAT • MEN • NOTABLE • OHM • PEOPLE • PERSON • PERSONALITIES • PERSONALITY • PHOTO • PHOTOGRAPH • PHYSICIST • PHYSICS DEPARTMENT • PHYSICS • PORTAIT • PORTRAIT • POTRAIT • PROFESSOR • REDETERMINATION • ROWLAND • SAVANT • SCI • SCIENCE AND TECHNOLOGY WISSENSCHAFT SCI • SCIENCE • SCIENCE-TECHNOLOGY • SCIENCE: PERSONALITIES • SCIENCE_AND_TECHNOLOGY WISSENSCHAFT SCI • SCIENTIFIC • SCIENTIST • SOLAR SPECTRUM • UNITED STATES • US • USA • WELL-KNOWN