Finnish forest scientist and politician (1879-1943).
Aimo Kaarlo Cajander (4 April 1879 – 21 January 1943) was the Prime Minister of Finland up to the Winter War. Cajander was born in Uusikaupunki, and became a botanist, a professor of forestry 1911–34; director-general for Finland's Forest and Park Service 1934–1943; Prime Minister in 1922, 1924, and 1937–1939; chairman of the National Progressive Party 1933–1943; and Member of Parliament. Cajander came into politics in 1922 when President Ståhlberg asked him to take office of prime minister. He had not earlier participated actively in politics. Ståhlberg invited him as prime minister second ti