D. Alan Stevenson

In 1951, Stevenson was awarded the Crawford Medal by the Royal Philatelic Society London for his work The Triangular Stamps of Cape of Good Hope.

[2][3] He was born at 9 Manor Place[4] on 7 February 1891, the son of Margaret Sherriff and Charles Alexander Stevenson.

His proposers were Charles Alexander Stevenson (his father), David Alan Stevenson (his uncle), William A. P. Tait, James Simpson Pirie, Sir Thomas Hudson Beare and Harry Rainy.

[10] His work on the Clyde was pre-empted in 1934 by a commission to deepen the river in order to have capacity to launch the RMS Queen Mary.

[9] He died on 22 December 1971 and was buried in the first northern extension to Dean Cemetery in western Edinburgh.