William Archer Porter Tait

William Tail was born on 25 March 1866, at 6 Greenhill Gardens in south-east Edinburgh, the second son of Peter Guthrie Tait and his wife, Margaret Porter.

He continued with Wolfe Barry for three years after his articles were complete, and accompanied him on several court hearings[3] He returned to Scotland in 1891 as assistant engineer to the Glasgow Subway project under Charles de Neuville Forman.

His proposers were William Thomson, Lord Kelvin, Charles Alexander Stevenson, George Barclay and John Sturgeon Mackay.

He is buried with his parents and siblings in st John's churchyard at the west end of Princes Street in Edinburgh.

The grave lies on one of the lower eastern terraces, behind a grey granite Celtic cross to his brother, Frederick Guthrie Tait.