Arnold Kohlschütter
Ernst Arnold Kohlschütter ( July 6 , 1883 – May 28 , 1969 ) was a German astronomer and astrophysicist from Halle . 
<triplet> Arnold Kohlschütter <subj> July 6, 1883 <obj> date of birth <subj> May 28, 1969 <obj> date of death <subj> Halle <obj> place of birth