Villem Grünthal-Ridala, Estonian poet and linguist (b. 1885)
Villem Grünthal-Ridala, born Grünthal-Wilhelm (30 May 1885 in Kuivastu, Muhu, Kreis Ösel, Governorate of Livonia - 16 January 1942 in Helsinki, Finland) was an Estonian poet, translator, linguist and folklorist.