Helmholtz Hermann Ludwig Ferdinand von


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Helm·holtz

 (hĕlm′hōlts′), Hermann Ludwig Ferdinand von 1821-1894.
German physicist and physiologist who formulated the law of the conservation of energy (1847) and invented an ophthalmoscope (1851).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Helm·holtz

(hĕlm′hōlts′), Hermann Ludwig Ferdinand von 1821-1894.
German physicist and physiologist. He was a founder of the law of conservation of energy. Helmholtz did pioneering research on vision and invented an instrument for examining the interior of the eye in 1851.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.