The 1880s were a critical time in Cameroon. A German warship arrived in the Douala estuary and proclaimed Cameroon a protectorate. At that time, two Swedes, Knutson and Waldau, were living on the upper slopes of the Cameroon Mountain. Very little is known about their activities. One, Knutson, wrote a long memoir of his time in Cameroon (1883-1895)