From 1902 until 1912 he was a colonial doctor in Togo and Kamerun, where he was tasked with dealing with the problem of malaria.
In Africa he was tasked with dealing with the problem of malaria. From 1902 until 1912 he was a colonial doctor in Togo and Kamerun.
From 1902 until 1912 he was a colonial doctor in Togo and Kamerun. In Africa he was tasked with dealing with the problem of malaria.
From 1902 until 1912 he was a colonial doctor in Togo and Kamerun. In Africa he was tasked with dealing with the problem of malaria.