A diminutive figure, Bowen was on the academic staff of the Department of Geography and Anthropology at the University College of Wales, Aberystwyth, from the 1920s and continued to write and lecture there until his death in 1983.
[2] Bowen became the first Cecil Prosser research fellow at the Welsh National School of Medicine at Cardiff, where he investigated the relationship between 'racial type' and chest disease.
He remained there for the rest of his academic career, including during World War II, when he continued to lecture and also taught meteorology to the Royal Air Force initial training wing, which was located there.
[1][3] Bowen's work on the Settlements of the Celtic Saints in Wales (1954) revolutionized studies in this field.
[1][2] His studies of regional landscape and industry took into account the Welsh language as a factor in the "human geography" of Wales.