James Prescott Joule (; 24 Disamba 1818 <unk> 11 Oktoba 1889) ya kasance masanin kimiyyar lissafi, masanin lissafi da kuma mai shayarwa, wanda aka haife shi a Salford, Lancashire. Joule ya yi nazarin yanayin zafi, kuma ya gano dangantakarsa da aikin injiniya (duba makamashi). Wannan ya haifar da dokar kiyaye makamashi, wanda hakan ya haifar da ci gaban dokar farko na thermodynamics. An sanya sunan SI na makamashi, joule. Tambaya: A wane gari aka haifi Joule?
Salford, Lancashire