August Tammekann
August Ferdinand Tammekann was an Estonian geographer.
In 1923 he graduated from the University of Tartu. He started teaching at the University of Tartu in 1926. During his Tartu years, he lived in Villa Tammekann, designed in 1936 by Alvar Aalto.
In 1940 he fled to Finland and received Finnish citizenship. Between 1942 and 1959 he intermittently worked at the University of Helsinki. He was appointed a professor in 1953.
His main fields of research were Estonian geomorphology, paleogeography, and population distribution. He was also interested in local history.