Johan Reinhold Sahlberg
Johan Reinhold Sahlberg ( 6 June 1845 , Helsinki – 8 May 1920 , Helsinki ) was a Finnish entomologist . 
<triplet> Johan Reinhold Sahlberg <subj> 6 June 1845 <obj> date of birth <subj> Helsinki <obj> place of death <subj> 8 May 1920 <obj> date of death <subj> entomologist <obj> field of work