Sigfrid Wilhelm Arnell; S.W.Arnell
* March 05, 1895 – 1970 †
botanist, bryologist, physician, radiologist
Swedish hepaticologist (1895-1970)
https://www.wikidata.org/wiki/Q2284684
https://en.wikipedia.org/wiki/Sigfrid_Vilhelm_Arnell [View]
Sweden