Johannes Franz Hartmann
Physicist, Astronomer
1865 – 1936
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Who was Johannes Franz Hartmann?
Johannes Franz Hartmann was a German physicist and astronomer. In 1904, while studying the spectroscopy of Delta Orionis he noticed that most of the spectrum had a shift, except the calcium lines, which he interpreted as indicating the presence of interstellar medium
He was the director of the Observatorio Astronómico de La Plata from November 1922 to May 1934. He oriented the work of the observatory towards astrophysics. He discovered three asteroids.
His doctorate was from the University of Leipzig in 1891 on lunar eclipses.
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- Born
- Jan 11, 1865
Erfurt - Also known as
- Juan Hartmann
- Nationality
- Germany
- Argentina
- Profession
- Education
- University of Leipzig
- Died
- Sep 13, 1936
Göttingen
Submitted
on July 23, 2013
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"Johannes Franz Hartmann." Biographies.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.biographies.net/people/en/johannes_franz_hartmann>.
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