Daniel Chalonge, French astrophysicist

Daniel Chalonge, French astrophysicist

C024/0212 Rights Managed

Request low-res file

530 pixels on longest edge, unwatermarked

Request/Download high-res file

Uncompressed file size: 25.5MB

Downloadable file size: 3.6MB

Price image Pricing

Please login to use the price calculator


Restrictions: Editorial use only

Caption: Daniel Chalonge (1895-1977), French astronomer and astrophysicist, making observations with a telescope. Chalonge was one of the founders of the Institut d'astropysique de Paris, France. He studied the stellar spectrum of hydrogen, stellar photometry and the measurement of the ozone layer. He also developed a microphotometer, which was name after him. Photographed in Arosa, Switzerland, circa 1926.

Release details: Model release not available. Property release not required.

Keywords: 1920s, 1926, 20th century, adult, arosa, atmosphere, atmospheric, black and white, black-and-white, caucasian, daniel chalonge, device, environment, environmental science, equipment, european, founder, french, historical, history of science, human, hydrogen, institut dastrophysique de paris, male, man, microphotometer, monochrome, mountain, mountainous, mountains, observatory, observing, one person, outdoors, outside, ozone layer, people, photometry, physicist, physics, portrait, scientist, stellar spectrum, surname c, surname f, switzerland, telescope, white

Licence fees: A licence fee will be charged for any media (low or high resolution) used in your project.