Olof af Acrel
Olof af Acrel ( 26 November 1717 – 28 May 1806 ) , known before his ennoblement in 1780 as Olof Acrel , was a surgeon and physician of Stockholm , who perfected his knowledge by study in foreign countries and introduced many improvements into Swedish practice . 
<triplet> Olof af Acrel <subj> 26 November 1717 <obj> date of birth <subj> 28 May 1806 <obj> date of death <subj> surgeon <obj> occupation