Alfred Ewing
Sir James Alfred Ewing ( 27 March 1855 − 7 January 1935 ) was a Scottish physicist and engineer , best known for his work on the magnetic properties of metals and , in particular , for his discovery of , and coinage of the word , "hysteresis" . 
<triplet> Alfred Ewing <subj> 27 March 1855 <obj> date of birth <subj> 7 January 1935 <obj> date of death