Darcy Henry Philibert Gaspard

Dar·cy

 (där′sē′), Henry Philibert Gaspard 1803-1858.
French engineer who formulated the law governing the rate at which a fluid flows through a permeable medium and built a pressurized water distribution system in Dijon.
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.