Harold D. Babcock AKA Harold Delos Babcock Born: 24-Jan-1882 Birthplace: Edgerton, WI Died: 8-Apr-1968 Location of death: Pasadena, CA Cause of death: Heart Failure
Gender: Male Race or Ethnicity: White Sexual orientation: Straight Occupation: Astronomer Nationality: United States Executive summary: Solar radiation Astronomer Harold D. Babcock studied solar radiation and atomic spectra, and extended Henry Augustus Rowland's measurements of the solar system into the infrared and ultraviolet. Working with his son, astronomer Horace W. Babcock, he invented the solar magnetograph, a scientific instrument that allowed measurement of magnetic fields on the surface of the sun to unprecedented precision. Father: Emilus W. Babcock (grocer, b. 9-Jun-1835, d. 15-Feb-1904) Mother: Mary Eliza Brown Babcock (b. 30-Jun-1839, m. 26-Aug-1861, d. 12-Dec-1931) Brother: William Babcock (b. 28-Apr-1863, d. 15-Sep-1954) Sister: Bertha Babcock (b. 28-Dec-1865, d. 1-Jul-1933) Brother: Clarence Henry Babcock (merchant, b. 22-Feb-1868, d. 13-Jul-1928) Brother: John Babcock (b. 26-Oct-1870, d. 3-May-1891) Brother: Charles Babcock (b. 18-Dec-1874, d. 5-Nov-1878) Brother: Ernest Brown Babcock (geneticist, b. 10-Jul-1877, d. 8-Dec-1954) Wife: Mary Henderson Babcock (one child) Son: Horace W. Babcock (astronomer, b. 13-Sep-1912, d. 29-Aug-2003)
High School: Los Angeles High School, Los Angeles, CA (1901) University: BS Physics, University of California at Berkeley (1907) Scholar: Physics, Mt. Wilson Observatory (1909-48)
Bruce Medal 1953 National Institute of Standards and Technology 1907-09 American Association for the Advancement of Science American Astronomical Society American Physical Society National Academy of Sciences National Research Council Royal Astronomical Society Royal Society Manhattan Project Asteroid Namesake 3167 Babcock (namesake shared with son) English Ancestry
German Ancestry
Author of books:
The Solar Spectrum (1947, with Charlotte E. Moore)
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