Fahrenheit Daniel Gabriel

Fahr·en·heit

 (făr′ən-hīt′, fä′rən-), Daniel Gabriel 1686-1736.
German-Dutch instrument maker who developed the mercury thermometer and devised the Fahrenheit temperature scale.
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.