[1] He developed an early interest in geology while at school in Ipswich through fossil collecting and visiting local museums.
As a teen he founded the Ipswich and District Field Club, which led to his election to as a fellow of the Geological Society of London in 1907.
[2] Boswell was invested as an Officer of the Order of the British Empire in the 1918 Birthday Honours for his work during the Great War, as Geological Adviser to the Ministry of Munitions.
[3] During the war, he investigated British supplies of moulding sands for use in metal foundries and ultimately became "a recognized authority as a sedimentary petrologist.
[2] His work as a geologist covered many aspects, but according to his obituary in The Times, his best contributions were possibly concerning recent geology of East Anglia, "where he was a pioneer in making sense of the stratigraphy of the area with its record of alternate advances and retreats of ice.