Friedrich Carl Alwin Pockels
Friedrich Carl Alwin Pockels ( 18 June 1865 – 29 August 1913 ) was a German physicist . 
<triplet> Friedrich Carl Alwin Pockels <subj> 18 June 1865 <obj> date of birth <subj> 29 August 1913 <obj> date of death <subj> German <obj> country of citizenship