Sigfrid Vilhelm Arnell

Sigfrid Vilhelm Arnell, also sometimes Sigfrid Wilhelm Arnell (1895 in Gävle – 1970), was a Swedish medical practitioner and hepaticologist. He was the son of bryologist Hampus Wilhelm Arnell (1848–1932).

After finishing his education in Uppsala and Stockholm, he worked at the hospital in Gävle, where he was director of its roentgenological department from 1927 up until retirement in 1960. Following retirement he resided in Bromma, and in 1963, relocated to Uppsala. In his later years, he suffered from Parkinson's disease and was plagued by failing eyesight.[1]

In 1951 he was made an honorary member of the British Bryological Society. As a botanical collector, his travels included trips to Spitsbergen (1956), the Canary Islands (1958, 1959), northern Sweden (1960) and Egypt (1961). He was the author of 79 scientific works.[1]

Works by Arnell that have been published in English
  • Illustrated moss flora of Fennoscandia, I: Hepataceae, 1956.
  • Hepaticae collected by O. Hedberg et al. on the East African Mountains, 1956.
  • Hepatics from Tristan da Cunha, 1958.
  • A contribution to the knowledge of the bryophyte flora of W. Spitsbergen, and Kongsfjorden (King's Bay, 79°N.) in particular. (with Olle Mårtensson), 1959.
  • Hepaticae of South Africa. (National government publication), 1963.[2]
gollark: Huh? Modern phones mostly have 2.4 and 5GHz, they can't do that off one antenna surely.
gollark: I think modern WiFi stuff uses *multiple* antennas, actually, it's called "MIMO".
gollark: It would also not be very useful for spying on people, since they would just stop saying things if they got a notification saying "interception agent has been added to the chat" and it wouldn't work retroactively.
gollark: One proposal for backdooring encrypted messaging stuff was to have a way to remotely add extra participants invisibly to an E2Ed conversation. If you have that but without the "invisible" bit, that would work as "encryption with a backdoor, but then make it very obvious that the backdoor has been used" somewhat.
gollark: Not encryption itself, probably.

References
  1. JSTOR Global Plants Arnell, Sigfrid (Sigrid) Wilhelm (1895-1970)
  2. OCLC WorldCat published works
  3. IPNI.  S.W.Arnell.
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