Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Hart Howard F1

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Hart Howard F1

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$20.00
Donor: 
Celia Elliott
Image title: 
Illinois Cryostat
Credit line: 
Gliessman Studios, University of Illinois Alumni Association Archives, courtesy AIP Emilio Segrè Visual Archives
Description: 

From the Illinois Alumni News, Vol. 36, No. 3. 'This apparatus on the first floor of the Physics Laboratory looks complex. It doesn't seem so to these physicists: at right, Prof. Dillon E. Mapother, seated with notebook, Prof. J. C. Wheatley, standing in the center of the picture, Thomas Estle, and at back and left, Howard Hart. Estle is an Eastman Kodak fellow and Hart a National Science Foundation fellow. The apparatus includes a cryostat in which temperatures within a few thousandths of one degree of absolute zero (about 459 below zero Fahrenheit) are produced by a process known as adiabatic demagnetization. At low temperatures, materials take on very unusual properties, the study of which often gives special insight into the internal structure, forces and process in nature.

Photo date: 
April 1957
Original format: 
2 photographic prints (black and white; 4 x 5 inches; 8 x 10 inches)
Person(s): 
Hart, Howard Roscoe
Wheatley, John Charles
Mapother, Dillon Edward