Otto Julius Klotz
Otto Julius Klotz OLS , DLS , DTS ( March 31 , 1852 – December 28 , 1923 ) was a Canadian astronomer and Dominion Surveyor . 
<triplet> Otto Julius Klotz <subj> March 31, 1852 <obj> date of birth <subj> December 28, 1923 <obj> date of death