. . . "1827Z"^^ . "1890Z"^^ . "Soret, Jacques-Louis"@en . "1827-06-30Z"^^ . "Jacques-Louis Soret (30 June 1827 \u2013 13 May 1890) was a Swiss chemist who in 1878, along with Marc Delafontaine, first observed holmium spectroscopically. Independently, Per Teodor Cleve separated it chemically from thulium and erbium in 1879."@en . "Swiss chemist" . . "1890-05-13Z"^^ . . . "Jacques-Louis Soret"@en . .